624644042 has 16 divisors (see below), whose sum is σ = 1023818400. Its totient is φ = 283464240.

The previous prime is 624644029. The next prime is 624644047. The reversal of 624644042 is 240446426.

It is not an unprimeable number, because it can be changed into a prime (624644047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9317 + ... + 36552.

It is an arithmetic number, because the mean of its divisors is an integer number (63988650).

Almost surely, 2^624644042 is an apocalyptic number.

624644042 is a deficient number, since it is larger than the sum of its proper divisors (399174358).

624644042 is a wasteful number, since it uses less digits than its factorization.

624644042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46501.

The product of its (nonzero) digits is 36864, while the sum is 32.

The square root of 624644042 is about 24992.8798260625. The cubic root of 624644042 is about 854.8256279493.

The spelling of 624644042 in words is "six hundred twenty-four million, six hundred forty-four thousand, forty-two".