624112144 has 20 divisors (see below), whose sum is σ = 1222806780. Its totient is φ = 308549120.

The previous prime is 624112141. The next prime is 624112183. The reversal of 624112144 is 441211426.

It can be written as a sum of positive squares in 2 ways, for example, as 66585600 + 557526544 = 8160^2 + 23612^2 .

It is not an unprimeable number, because it can be changed into a prime (624112141) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 217717 + ... + 220564.

It is an arithmetic number, because the mean of its divisors is an integer number (61140339).

Almost surely, 2^624112144 is an apocalyptic number.

It is an amenable number.

624112144 is a deficient number, since it is larger than the sum of its proper divisors (598694636).

624112144 is a wasteful number, since it uses less digits than its factorization.

624112144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438378 (or 438372 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

The square root of 624112144 is about 24982.2365692105. The cubic root of 624112144 is about 854.5829248368.

The spelling of 624112144 in words is "six hundred twenty-four million, one hundred twelve thousand, one hundred forty-four".