1040202564 has 12 divisors (see below), whose sum is σ = 2427139344. Its totient is φ = 346734184.

The previous prime is 1040202547. The next prime is 1040202589. The reversal of 1040202564 is 4652020401.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43341762 + ... + 43341785.

It is an arithmetic number, because the mean of its divisors is an integer number (202261612).

Almost surely, 2^1040202564 is an apocalyptic number.

It is an amenable number.

1040202564 is an abundant number, since it is smaller than the sum of its proper divisors (1386936780).

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

1040202564 is a wasteful number, since it uses less digits than its factorization.

1040202564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86683554 (or 86683552 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1040202564 is about 32252.1714617791. The cubic root of 1040202564 is about 1013.2251782748.

Adding to 1040202564 its reverse (4652020401), we get a palindrome (5692222965).

The spelling of 1040202564 in words is "one billion, forty million, two hundred two thousand, five hundred sixty-four".