1957800832 has 64 divisors (see below), whose sum is σ = 4313988000. Its totient is φ = 879151104.

The previous prime is 1957800781. The next prime is 1957800841. The reversal of 1957800832 is 2380087591.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45669 + ... + 77467.

Almost surely, 2^1957800832 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1957800832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2156994000).

1957800832 is an abundant number, since it is smaller than the sum of its proper divisors (2356187168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1957800832 is a wasteful number, since it uses less digits than its factorization.

1957800832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31863 (or 31851 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 1957800832 is about 44247.0432006479. The cubic root of 1957800832 is about 1250.9967158614.

The spelling of 1957800832 in words is "one billion, nine hundred fifty-seven million, eight hundred thousand, eight hundred thirty-two".