940880913 has 32 divisors (see below), whose sum is σ = 1448928000. Its totient is φ = 531975936.

The previous prime is 940880911. The next prime is 940880917. The reversal of 940880913 is 319088049.

It is not a de Polignac number, because 940880913 - 2¹ = 940880911 is a prime.

It is not an unprimeable number, because it can be changed into a prime (940880911) 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 31 ways as a sum of consecutive naturals, for example, 1216795 + ... + 1217567.

It is an arithmetic number, because the mean of its divisors is an integer number (45279000).

Almost surely, 2^940880913 is an apocalyptic number.

It is an amenable number.

940880913 is a deficient number, since it is larger than the sum of its proper divisors (508047087).

940880913 is a wasteful number, since it uses less digits than its factorization.

940880913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 940880913 is about 30673.7821763147. The cubic root of 940880913 is about 979.8920167707.

The spelling of 940880913 in words is "nine hundred forty million, eight hundred eighty thousand, nine hundred thirteen".