648255365376 has 36 divisors (see below), whose sum is σ = 1725304646352. Its totient is φ = 216085121536.

The previous prime is 648255365371. The next prime is 648255365399. The reversal of 648255365376 is 673563552846.

It is not an unprimeable number, because it can be changed into a prime (648255365371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 422040486 + ... + 422042021.

Almost surely, 2^648255365376 is an apocalyptic number.

It is an amenable number.

648255365376 is an abundant number, since it is smaller than the sum of its proper divisors (1077049280976).

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

648255365376 is an equidigital number, since it uses as much as digits as its factorization.

648255365376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844082526 (or 844082512 counting only the distinct ones).

The product of its digits is 108864000, while the sum is 60.

The spelling of 648255365376 in words is "six hundred forty-eight billion, two hundred fifty-five million, three hundred sixty-five thousand, three hundred seventy-six".