624250040 has 32 divisors (see below), whose sum is σ = 1418208480. Its totient is φ = 247274112.

The previous prime is 624250037. The next prime is 624250043. The reversal of 624250040 is 40052426.

It is an interprime number because it is at equal distance from previous prime (624250037) and next prime (624250043).

It is a super-2 number, since 2×624250040² = 779376224880003200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 624249988 and 624250015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (624250043) 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, 71639 + ... + 79878.

It is an arithmetic number, because the mean of its divisors is an integer number (44319015).

Almost surely, 2^624250040 is an apocalyptic number.

It is an amenable number.

624250040 is an abundant number, since it is smaller than the sum of its proper divisors (793958440).

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

624250040 is a wasteful number, since it uses less digits than its factorization.

624250040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151631 (or 151627 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 624250040 is about 24984.9962977784. The cubic root of 624250040 is about 854.6458595140.

The spelling of 624250040 in words is "six hundred twenty-four million, two hundred fifty thousand, forty".