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201404222440 = 23510946193629
BaseRepresentation
bin1011101110010010100…
…0001000101111101000
3201020212012120120112221
42323210220020233220
511244433440104230
6232305051243424
720356661433661
oct2734450105750
9636765516487
10201404222440
1178462484313
1233049a49574
1315cb9218825
149a687b2368
15538b8a027a
hex2ee4a08be8

201404222440 has 32 divisors (see below), whose sum is σ = 457316937000. Its totient is φ = 79822589184.

The previous prime is 201404222407. The next prime is 201404222441. The reversal of 201404222440 is 44222404102.

It can be written as a sum of positive squares in 4 ways, for example, as 168114760324 + 33289462116 = 410018^2 + 182454^2 .

It is not an unprimeable number, because it can be changed into a prime (201404222441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23092455 + ... + 23101174.

Almost surely, 2201404222440 is an apocalyptic number.

201404222440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201404222440 is an abundant number, since it is smaller than the sum of its proper divisors (255912714560).

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

201404222440 is a wasteful number, since it uses less digits than its factorization.

201404222440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46193749 (or 46193745 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 201404222440 its reverse (44222404102), we get a palindrome (245626626542).

The spelling of 201404222440 in words is "two hundred one billion, four hundred four million, two hundred twenty-two thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 109 218 436 545 872 1090 2180 4360 46193629 92387258 184774516 230968145 369549032 461936290 923872580 1847745160 5035105561 10070211122 20140422244 25175527805 40280844488 50351055610 100702111220 201404222440