624474240 has 256 divisors, whose sum is σ = 2171473920. Its totient is φ = 151732224.

The previous prime is 624474233. The next prime is 624474287. The reversal of 624474240 is 42474426.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3169822 + ... + 3170018.

It is an arithmetic number, because the mean of its divisors is an integer number (8482320).

Almost surely, 2^624474240 is an apocalyptic number.

624474240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 624474240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1085736960).

624474240 is an abundant number, since it is smaller than the sum of its proper divisors (1546999680).

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

624474240 is a wasteful number, since it uses less digits than its factorization.

624474240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359 (or 347 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 33.

The square root of 624474240 is about 24989.4825876808. The cubic root of 624474240 is about 854.7481628940.

The spelling of 624474240 in words is "six hundred twenty-four million, four hundred seventy-four thousand, two hundred forty".