50951926440 has 96 divisors (see below), whose sum is σ = 165622509000. Its totient is φ = 13584821760.

The previous prime is 50951926439. The next prime is 50951926453. The reversal of 50951926440 is 4462915905.

50951926440 is a `hidden beast` number, since 509 + 51 + 92 + 6 + 4 + 4 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 46425597156 + 4526329284 = 215466^2 + 67278^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 3311886 + ... + 3327234.

Almost surely, 2^50951926440 is an apocalyptic number.

It is an amenable number.

50951926440 is an abundant number, since it is smaller than the sum of its proper divisors (114670582560).

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

50951926440 is a wasteful number, since it uses less digits than its factorization.

50951926440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24587 (or 24580 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The spelling of 50951926440 in words is "fifty billion, nine hundred fifty-one million, nine hundred twenty-six thousand, four hundred forty".