3129615044 has 12 divisors (see below), whose sum is σ = 5653498368. Its totient is φ = 1514329800.

The previous prime is 3129615031. The next prime is 3129615059. The reversal of 3129615044 is 4405169213.

It is a super-2 number, since 2×3129615044² = 19588980647262243872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3129614995 and 3129615013.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12619292 + ... + 12619539.

It is an arithmetic number, because the mean of its divisors is an integer number (471124864).

Almost surely, 2^3129615044 is an apocalyptic number.

It is an amenable number.

3129615044 is a deficient number, since it is larger than the sum of its proper divisors (2523883324).

3129615044 is a wasteful number, since it uses less digits than its factorization.

3129615044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25238866 (or 25238864 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 3129615044 is about 55942.9624170905. The cubic root of 3129615044 is about 1462.7282202009.

The spelling of 3129615044 in words is "three billion, one hundred twenty-nine million, six hundred fifteen thousand, forty-four".