626254040 has 32 divisors (see below), whose sum is σ = 1411447680. Its totient is φ = 250079232.

The previous prime is 626254039. The next prime is 626254067. The reversal of 626254040 is 40452626.

It is a junction number, because it is equal to n+sod(n) for n = 626253994 and 626254012.

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, 11384 + ... + 37176.

It is an arithmetic number, because the mean of its divisors is an integer number (44107740).

Almost surely, 2^626254040 is an apocalyptic number.

It is an amenable number.

626254040 is an abundant number, since it is smaller than the sum of its proper divisors (785193640).

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

626254040 is a wasteful number, since it uses less digits than its factorization.

626254040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26411 (or 26407 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 626254040 is about 25025.0682316752. The cubic root of 626254040 is about 855.5594255055.

The spelling of 626254040 in words is "six hundred twenty-six million, two hundred fifty-four thousand, forty".