50510506440 has 64 divisors (see below), whose sum is σ = 151869168000. Its totient is φ = 13439455232.

The previous prime is 50510506381. The next prime is 50510506457. The reversal of 50510506440 is 4460501505.

It is a super-2 number, since 2×50510506440² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 50510506398 and 50510506407.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 414852 + ... + 522611.

It is an arithmetic number, because the mean of its divisors is an integer number (2372955750).

Almost surely, 2^50510506440 is an apocalyptic number.

It is an amenable number.

50510506440 is an abundant number, since it is smaller than the sum of its proper divisors (101358661560).

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

50510506440 is a wasteful number, since it uses less digits than its factorization.

50510506440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937926 (or 937922 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 50510506440 in words is "fifty billion, five hundred ten million, five hundred six thousand, four hundred forty".