63040205648 has 40 divisors (see below), whose sum is σ = 139640854080. Its totient is φ = 27007200000.

The previous prime is 63040205629. The next prime is 63040205687. The reversal of 63040205648 is 84650204036.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202523 + ... + 408773.

It is an arithmetic number, because the mean of its divisors is an integer number (3491021352).

Almost surely, 2^63040205648 is an apocalyptic number.

It is an amenable number.

63040205648 is an abundant number, since it is smaller than the sum of its proper divisors (76600648432).

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

63040205648 is a wasteful number, since it uses less digits than its factorization.

63040205648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208995 (or 208989 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 63040205648 in words is "sixty-three billion, forty million, two hundred five thousand, six hundred forty-eight".