625418480 has 40 divisors (see below), whose sum is σ = 1457049600. Its totient is φ = 249659648.

The previous prime is 625418477. The next prime is 625418483. The reversal of 625418480 is 84814526.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (625418477) and next prime (625418483).

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×625418480² = 782296550251020800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625418483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33041 + ... + 48399.

It is an arithmetic number, because the mean of its divisors is an integer number (36426240).

Almost surely, 2^625418480 is an apocalyptic number.

It is an amenable number.

625418480 is an abundant number, since it is smaller than the sum of its proper divisors (831631120).

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

625418480 is a wasteful number, since it uses less digits than its factorization.

625418480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15881 (or 15875 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 625418480 is about 25008.3681994648. The cubic root of 625418480 is about 855.1787549600.

The spelling of 625418480 in words is "six hundred twenty-five million, four hundred eighteen thousand, four hundred eighty".