625490403874 has 16 divisors (see below), whose sum is σ = 1084317235200. Its totient is φ = 265055323104.

The previous prime is 625490403851. The next prime is 625490403913. The reversal of 625490403874 is 478304094526.

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, 250998114 + ... + 251000605.

It is an arithmetic number, because the mean of its divisors is an integer number (67769827200).

Almost surely, 2^625490403874 is an apocalyptic number.

625490403874 is a deficient number, since it is larger than the sum of its proper divisors (458826831326).

625490403874 is a wasteful number, since it uses less digits than its factorization.

625490403874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501998817.

The product of its (nonzero) digits is 5806080, while the sum is 52.

The spelling of 625490403874 in words is "six hundred twenty-five billion, four hundred ninety million, four hundred three thousand, eight hundred seventy-four".