1040931885 has 16 divisors (see below), whose sum is σ = 1903418496. Its totient is φ = 475854528.

The previous prime is 1040931883. The next prime is 1040931901. The reversal of 1040931885 is 5881390401.

It is not a de Polignac number, because 1040931885 - 2¹ = 1040931883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040931883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4956714 + ... + 4956923.

It is an arithmetic number, because the mean of its divisors is an integer number (118963656).

Almost surely, 2^1040931885 is an apocalyptic number.

1040931885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1040931885 is a deficient number, since it is larger than the sum of its proper divisors (862486611).

1040931885 is an equidigital number, since it uses as much as digits as its factorization.

1040931885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9913652.

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 1040931885 is about 32263.4760216564. The cubic root of 1040931885 is about 1013.4619250356.

The spelling of 1040931885 in words is "one billion, forty million, nine hundred thirty-one thousand, eight hundred eighty-five".