957551640 has 64 divisors (see below), whose sum is σ = 2997561600. Its totient is φ = 244244352.

The previous prime is 957551627. The next prime is 957551641. The reversal of 957551640 is 46155759.

It is a junction number, because it is equal to n+sod(n) for n = 957551592 and 957551601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (957551641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170710 + ... + 176229.

It is an arithmetic number, because the mean of its divisors is an integer number (46836900).

Almost surely, 2^957551640 is an apocalyptic number.

It is an amenable number.

957551640 is an abundant number, since it is smaller than the sum of its proper divisors (2040009960).

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

957551640 is a wasteful number, since it uses less digits than its factorization.

957551640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346976 (or 346972 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 42.

The square root of 957551640 is about 30944.3313063960. The cubic root of 957551640 is about 985.6454803595.

The spelling of 957551640 in words is "nine hundred fifty-seven million, five hundred fifty-one thousand, six hundred forty".