1957324478944 has 12 divisors (see below), whose sum is σ = 3853482567984. Its totient is φ = 978662239456.

The previous prime is 1957324478939. The next prime is 1957324478959. The reversal of 1957324478944 is 4498744237591.

It is a super-2 number, since 2×1957324478944² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1957324478944.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30583194952 + ... + 30583195015.

It is an arithmetic number, because the mean of its divisors is an integer number (321123547332).

Almost surely, 2^{1957324478944} is an apocalyptic number.

It is an amenable number.

1957324478944 is a deficient number, since it is larger than the sum of its proper divisors (1896158089040).

1957324478944 is an equidigital number, since it uses as much as digits as its factorization.

1957324478944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61166389977 (or 61166389969 counting only the distinct ones).

The product of its digits is 243855360, while the sum is 67.

The spelling of 1957324478944 in words is "one trillion, nine hundred fifty-seven billion, three hundred twenty-four million, four hundred seventy-eight thousand, nine hundred forty-four".