628500260 has 24 divisors (see below), whose sum is σ = 1320922680. Its totient is φ = 251195904.

The previous prime is 628500253. The next prime is 628500281. The reversal of 628500260 is 62005826.

It can be written as a sum of positive squares in 4 ways, for example, as 125305636 + 503194624 = 11194^2 + 22432^2 .

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, 13826 + ... + 38054.

It is an arithmetic number, because the mean of its divisors is an integer number (55038445).

Almost surely, 2^628500260 is an apocalyptic number.

It is an amenable number.

628500260 is an abundant number, since it is smaller than the sum of its proper divisors (692422420).

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

628500260 is a wasteful number, since it uses less digits than its factorization.

628500260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25535 (or 25533 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 628500260 is about 25069.9074589437. The cubic root of 628500260 is about 856.5810990823.

The spelling of 628500260 in words is "six hundred twenty-eight million, five hundred thousand, two hundred sixty".