624412040 has 128 divisors (see below), whose sum is σ = 1710408960. Its totient is φ = 200269824.

The previous prime is 624411979. The next prime is 624412069. The reversal of 624412040 is 40214426.

It is a junction number, because it is equal to n+sod(n) for n = 624411997 and 624412015.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1108799 + ... + 1109361.

It is an arithmetic number, because the mean of its divisors is an integer number (13362570).

Almost surely, 2^624412040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 624412040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (855204480).

624412040 is an abundant number, since it is smaller than the sum of its proper divisors (1085996920).

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

624412040 is a wasteful number, since it uses less digits than its factorization.

624412040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831 (or 827 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 624412040 is about 24988.2380331227. The cubic root of 624412040 is about 854.7197832334.

Adding to 624412040 its reverse (40214426), we get a palindrome (664626466).

The spelling of 624412040 in words is "six hundred twenty-four million, four hundred twelve thousand, forty".