956402490 has 128 divisors (see below), whose sum is σ = 2539579392. Its totient is φ = 229498880.

The previous prime is 956402477. The next prime is 956402497. The reversal of 956402490 is 94204659.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (956402497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1107799 + ... + 1108661.

It is an arithmetic number, because the mean of its divisors is an integer number (19840464).

Almost surely, 2^956402490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 956402490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1269789696).

956402490 is an abundant number, since it is smaller than the sum of its proper divisors (1583176902).

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

956402490 is a wasteful number, since it uses less digits than its factorization.

956402490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 956402490 is about 30925.7577110085. The cubic root of 956402490 is about 985.2510341297.

The spelling of 956402490 in words is "nine hundred fifty-six million, four hundred two thousand, four hundred ninety".