50465651640 has 64 divisors (see below), whose sum is σ = 151444611360. Its totient is φ = 13453271040.

The previous prime is 50465651611. The next prime is 50465651653. The reversal of 50465651640 is 4615656405.

It is a junction number, because it is equal to n+sod(n) for n = 50465651592 and 50465651601.

It is a congruent number.

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, 326280 + ... + 455400.

Almost surely, 2^50465651640 is an apocalyptic number.

It is an amenable number.

50465651640 is an abundant number, since it is smaller than the sum of its proper divisors (100978959720).

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

50465651640 is a wasteful number, since it uses less digits than its factorization.

50465651640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132392 (or 132388 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 50465651640 in words is "fifty billion, four hundred sixty-five million, six hundred fifty-one thousand, six hundred forty".