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244440000220 = 225132087450481
BaseRepresentation
bin1110001110100111000…
…0100110011011011100
3212100221102222121021111
43203221300212123130
513001103120001340
6304143313311404
723442310501603
oct3435160463334
9770842877244
10244440000220
119473700a109
123b45a565564
131a0871cb3b0
14bb8c21aa3a
156559b46aea
hex38e9c266dc

244440000220 has 48 divisors (see below), whose sum is σ = 553076572608. Its totient is φ = 90211322880.

The previous prime is 244440000199. The next prime is 244440000229. The reversal of 244440000220 is 22000044442.

It is a junction number, because it is equal to n+sod(n) for n = 244440000191 and 244440000200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244440000229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 317380 + ... + 767860.

It is an arithmetic number, because the mean of its divisors is an integer number (11522428596).

Almost surely, 2244440000220 is an apocalyptic number.

244440000220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244440000220 is an abundant number, since it is smaller than the sum of its proper divisors (308636572388).

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

244440000220 is a wasteful number, since it uses less digits than its factorization.

244440000220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452590 (or 452588 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 244440000220 its reverse (22000044442), we get a palindrome (266440044662).

The spelling of 244440000220 in words is "two hundred forty-four billion, four hundred forty million, two hundred twenty", and thus it is an aban number.

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 2087 4174 8348 10435 20870 27131 41740 54262 108524 135655 271310 450481 542620 900962 1801924 2252405 4504810 5856253 9009620 11712506 23425012 29281265 58562530 117125060 940153847 1880307694 3760615388 4700769235 9401538470 12222000011 18803076940 24444000022 48888000044 61110000055 122220000110 244440000220