968422640 has 40 divisors (see below), whose sum is σ = 2324220288. Its totient is φ = 374872320.

The previous prime is 968422603. The next prime is 968422649. The reversal of 968422640 is 46224869.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (968422649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192767 + ... + 197726.

Almost surely, 2^968422640 is an apocalyptic number.

It is an amenable number.

968422640 is an abundant number, since it is smaller than the sum of its proper divisors (1355797648).

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

968422640 is a wasteful number, since it uses less digits than its factorization.

968422640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390537 (or 390531 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 968422640 is about 31119.4897130400. The cubic root of 968422640 is about 989.3614356358.

The spelling of 968422640 in words is "nine hundred sixty-eight million, four hundred twenty-two thousand, six hundred forty".