628754944008 has 32 divisors (see below), whose sum is σ = 1571906930400. Its totient is φ = 209582371968.

The previous prime is 628754944007. The next prime is 628754944021. The reversal of 628754944008 is 800449457826.

It is a super-2 number, since 2×628754944008² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (628754944007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3343183 + ... + 3526241.

It is an arithmetic number, because the mean of its divisors is an integer number (49122091575).

Almost surely, 2^628754944008 is an apocalyptic number.

It is an amenable number.

628754944008 is an abundant number, since it is smaller than the sum of its proper divisors (943151986392).

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

628754944008 is a wasteful number, since it uses less digits than its factorization.

628754944008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326181 (or 326177 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 57.

The spelling of 628754944008 in words is "six hundred twenty-eight billion, seven hundred fifty-four million, nine hundred forty-four thousand, eight".