940375491 has 32 divisors (see below), whose sum is σ = 1385510400. Its totient is φ = 562598400.

The previous prime is 940375481. The next prime is 940375523. The reversal of 940375491 is 194573049.

It is not a de Polignac number, because 940375491 - 2⁵ = 940375459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (940375411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1569610 + ... + 1570208.

It is an arithmetic number, because the mean of its divisors is an integer number (43297200).

Almost surely, 2^940375491 is an apocalyptic number.

940375491 is a deficient number, since it is larger than the sum of its proper divisors (445134909).

940375491 is a wasteful number, since it uses less digits than its factorization.

940375491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 940375491 is about 30665.5424051165. The cubic root of 940375491 is about 979.7165260210.

The spelling of 940375491 in words is "nine hundred forty million, three hundred seventy-five thousand, four hundred ninety-one".