625404132064 has 48 divisors (see below), whose sum is σ = 1241001835920. Its totient is φ = 310230369280.

The previous prime is 625404132029. The next prime is 625404132091. The reversal of 625404132064 is 460231404526.

It is a super-2 number, since 2×625404132064² (a number of 24 digits) contains 22 as substring.

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, 17055702 + ... + 17092330.

It is an arithmetic number, because the mean of its divisors is an integer number (25854204915).

Almost surely, 2^625404132064 is an apocalyptic number.

It is an amenable number.

625404132064 is a deficient number, since it is larger than the sum of its proper divisors (615597703856).

625404132064 is a wasteful number, since it uses less digits than its factorization.

625404132064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40843 (or 40835 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

The spelling of 625404132064 in words is "six hundred twenty-five billion, four hundred four million, one hundred thirty-two thousand, sixty-four".