57147136444 has 24 divisors (see below), whose sum is σ = 100284766848. Its totient is φ = 28494414000.

The previous prime is 57147136433. The next prime is 57147136451. The reversal of 57147136444 is 44463174175.

It is a junction number, because it is equal to n+sod(n) for n = 57147136394 and 57147136403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3981609 + ... + 3995935.

It is an arithmetic number, because the mean of its divisors is an integer number (4178531952).

Almost surely, 2^57147136444 is an apocalyptic number.

It is an amenable number.

57147136444 is a deficient number, since it is larger than the sum of its proper divisors (43137630404).

57147136444 is a wasteful number, since it uses less digits than its factorization.

57147136444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17025 (or 17023 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 46.

The spelling of 57147136444 in words is "fifty-seven billion, one hundred forty-seven million, one hundred thirty-six thousand, four hundred forty-four".