960400640 has 36 divisors (see below), whose sum is σ = 2300462724. Its totient is φ = 384159744.

The previous prime is 960400613. The next prime is 960400699. The reversal of 960400640 is 46004069.

It can be written as a sum of positive squares in 2 ways, for example, as 96510976 + 863889664 = 9824^2 + 29392^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 373877 + ... + 376436.

Almost surely, 2^960400640 is an apocalyptic number.

It is an amenable number.

960400640 is an abundant number, since it is smaller than the sum of its proper divisors (1340062084).

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

960400640 is an equidigital number, since it uses as much as digits as its factorization.

960400640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750334 (or 750320 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 960400640 is about 30990.3313954530. The cubic root of 960400640 is about 986.6220416470.

The spelling of 960400640 in words is "nine hundred sixty million, four hundred thousand, six hundred forty".