625322040 has 64 divisors (see below), whose sum is σ = 2143964160. Its totient is φ = 142930560.

The previous prime is 625322029. The next prime is 625322059. The reversal of 625322040 is 40223526.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 625322040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 371376 + ... + 373055.

It is an arithmetic number, because the mean of its divisors is an integer number (33499440).

Almost surely, 2^625322040 is an apocalyptic number.

625322040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

625322040 is an abundant number, since it is smaller than the sum of its proper divisors (1518642120).

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

625322040 is a wasteful number, since it uses less digits than its factorization.

625322040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744452 (or 744448 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 625322040 is about 25006.4399705356. The cubic root of 625322040 is about 855.1347962981.

Adding to 625322040 its reverse (40223526), we get a palindrome (665545566).

The spelling of 625322040 in words is "six hundred twenty-five million, three hundred twenty-two thousand, forty".