625466727408 has 20 divisors (see below), whose sum is σ = 1615789045928. Its totient is φ = 208488909120.

The previous prime is 625466727383. The next prime is 625466727419. The reversal of 625466727408 is 804727664526.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6515278363 + ... + 6515278458.

Almost surely, 2^625466727408 is an apocalyptic number.

It is an amenable number.

625466727408 is an abundant number, since it is smaller than the sum of its proper divisors (990322318520).

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

625466727408 is a wasteful number, since it uses less digits than its factorization.

625466727408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13030556832 (or 13030556826 counting only the distinct ones).

The product of its (nonzero) digits is 27095040, while the sum is 57.

The spelling of 625466727408 in words is "six hundred twenty-five billion, four hundred sixty-six million, seven hundred twenty-seven thousand, four hundred eight".