49959402256 has 135 divisors (see below), whose sum is σ = 109152785631. Its totient is φ = 22144177152.

The previous prime is 49959402217. The next prime is 49959402271. The reversal of 49959402256 is 65220495994.

The square root of 49959402256 is 223516.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 24487242256 + 25472160000 = 156484^2 + 159600^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49959402197 and 49959402206.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 288782586 + ... + 288782758.

Almost surely, 2^49959402256 is an apocalyptic number.

49959402256 is the 223516-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49959402256

49959402256 is an abundant number, since it is smaller than the sum of its proper divisors (59193383375).

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

49959402256 is a wasteful number, since it uses less digits than its factorization.

49959402256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 55.

The spelling of 49959402256 in words is "forty-nine billion, nine hundred fifty-nine million, four hundred two thousand, two hundred fifty-six".