1040842164 has 12 divisors (see below), whose sum is σ = 2428631744. Its totient is φ = 346947384.

The previous prime is 1040842163. The next prime is 1040842169. The reversal of 1040842164 is 4612480401.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040842163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43368412 + ... + 43368435.

Almost surely, 2^1040842164 is an apocalyptic number.

It is an amenable number.

1040842164 is an abundant number, since it is smaller than the sum of its proper divisors (1387789580).

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

1040842164 is a wasteful number, since it uses less digits than its factorization.

1040842164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86736854 (or 86736852 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 1040842164 is about 32262.0855494495. The cubic root of 1040842164 is about 1013.4328064380.

The spelling of 1040842164 in words is "one billion, forty million, eight hundred forty-two thousand, one hundred sixty-four".