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204440300244 = 2235821256187
BaseRepresentation
bin1011111001100110010…
…1110110101011010100
3201112200210111022100000
42332121211312223110
511322143204101434
6233530225051300
720525135610525
oct2763145665324
9645623438300
10204440300244
1179780246524
1233756786b30
131638122257b
149c75aca84c
1554b81bdb99
hex2f99976ad4

204440300244 has 72 divisors (see below), whose sum is σ = 536574493728. Its totient is φ = 68063496480.

The previous prime is 204440300209. The next prime is 204440300269. The reversal of 204440300244 is 442003044402.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 669919 + ... + 926105.

It is an arithmetic number, because the mean of its divisors is an integer number (7452423524).

Almost surely, 2204440300244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204440300244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268287246864).

204440300244 is an abundant number, since it is smaller than the sum of its proper divisors (332134193484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204440300244 is a wasteful number, since it uses less digits than its factorization.

204440300244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257027 (or 257013 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

Adding to 204440300244 its reverse (442003044402), we get a palindrome (646443344646).

The spelling of 204440300244 in words is "two hundred four billion, four hundred forty million, three hundred thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 243 324 486 821 972 1642 2463 3284 4926 7389 9852 14778 22167 29556 44334 66501 88668 133002 199503 256187 266004 399006 512374 768561 798012 1024748 1537122 2305683 3074244 4611366 6917049 9222732 13834098 20751147 27668196 41502294 62253441 83004588 124506882 210329527 249013764 420659054 630988581 841318108 1261977162 1892965743 2523954324 3785931486 5678897229 7571862972 11357794458 17036691687 22715588916 34073383374 51110075061 68146766748 102220150122 204440300244