57396820844 has 24 divisors (see below), whose sum is σ = 110962790400. Its totient is φ = 25759216080.

The previous prime is 57396820823. The next prime is 57396820853. The reversal of 57396820844 is 44802869375.

It is a self number, because there is not a number n which added to its sum of digits gives 57396820844.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8252684 + ... + 8259635.

It is an arithmetic number, because the mean of its divisors is an integer number (4623449600).

Almost surely, 2^57396820844 is an apocalyptic number.

It is an amenable number.

57396820844 is a deficient number, since it is larger than the sum of its proper divisors (53565969556).

57396820844 is a wasteful number, since it uses less digits than its factorization.

57396820844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16512413 (or 16512411 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 56.

The spelling of 57396820844 in words is "fifty-seven billion, three hundred ninety-six million, eight hundred twenty thousand, eight hundred forty-four".