628500690940 has 24 divisors (see below), whose sum is σ = 1319866395120. Its totient is φ = 251397429888.

The previous prime is 628500690887. The next prime is 628500690973. The reversal of 628500690940 is 49096005826.

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, 3161319 + ... + 3354241.

It is an arithmetic number, because the mean of its divisors is an integer number (54994433130).

Almost surely, 2^628500690940 is an apocalyptic number.

It is an amenable number.

628500690940 is an abundant number, since it is smaller than the sum of its proper divisors (691365704180).

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

628500690940 is a wasteful number, since it uses less digits than its factorization.

628500690940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355821 (or 355819 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 49.

The spelling of 628500690940 in words is "six hundred twenty-eight billion, five hundred million, six hundred ninety thousand, nine hundred forty".