1404644252 has 12 divisors (see below), whose sum is σ = 2681593656. Its totient is φ = 638474640.

The previous prime is 1404644249. The next prime is 1404644273. The reversal of 1404644252 is 2524464041.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 15961823 + ... + 15961910.

It is an arithmetic number, because the mean of its divisors is an integer number (223466138).

Almost surely, 2^1404644252 is an apocalyptic number.

It is an amenable number.

1404644252 is a deficient number, since it is larger than the sum of its proper divisors (1276949404).

1404644252 is a wasteful number, since it uses less digits than its factorization.

1404644252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31923748 (or 31923746 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

The square root of 1404644252 is about 37478.5839113486. The cubic root of 1404644252 is about 1119.9245942005.

The spelling of 1404644252 in words is "one billion, four hundred four million, six hundred forty-four thousand, two hundred fifty-two".