50478610440 has 64 divisors (see below), whose sum is σ = 152011728000. Its totient is φ = 13409772032.

The previous prime is 50478610363. The next prime is 50478610447. The reversal of 50478610440 is 4401687405.

It is a super-2 number, since 2×50478610440² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50478610447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 768165 + ... + 831284.

It is an arithmetic number, because the mean of its divisors is an integer number (2375183250).

Almost surely, 2^50478610440 is an apocalyptic number.

It is an amenable number.

50478610440 is an abundant number, since it is smaller than the sum of its proper divisors (101533117560).

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

50478610440 is a wasteful number, since it uses less digits than its factorization.

50478610440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1599726 (or 1599722 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The spelling of 50478610440 in words is "fifty billion, four hundred seventy-eight million, six hundred ten thousand, four hundred forty".