957982640 has 40 divisors (see below), whose sum is σ = 2358331200. Its totient is φ = 360651776.

The previous prime is 957982633. The next prime is 957982667. The reversal of 957982640 is 46289759.

It is a happy number.

957982640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

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, 350840 + ... + 353559.

It is an arithmetic number, because the mean of its divisors is an integer number (58958280).

Almost surely, 2^957982640 is an apocalyptic number.

It is an amenable number.

957982640 is an abundant number, since it is smaller than the sum of its proper divisors (1400348560).

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

957982640 is a wasteful number, since it uses less digits than its factorization.

957982640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704429 (or 704423 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 50.

The square root of 957982640 is about 30951.2946417432. The cubic root of 957982640 is about 985.7933399155.

The spelling of 957982640 in words is "nine hundred fifty-seven million, nine hundred eighty-two thousand, six hundred forty".