63323370400 has 72 divisors (see below), whose sum is σ = 156033138240. Its totient is φ = 25092591360.

The previous prime is 63323370323. The next prime is 63323370427. The reversal of 63323370400 is 407332336.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 284280 + ... + 455479.

It is an arithmetic number, because the mean of its divisors is an integer number (2167126920).

Almost surely, 2^63323370400 is an apocalyptic number.

It is an amenable number.

63323370400 is an abundant number, since it is smaller than the sum of its proper divisors (92709767840).

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

63323370400 is a wasteful number, since it uses less digits than its factorization.

63323370400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739886 (or 739873 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 31.

The spelling of 63323370400 in words is "sixty-three billion, three hundred twenty-three million, three hundred seventy thousand, four hundred".