1040013204 has 12 divisors (see below), whose sum is σ = 2426697504. Its totient is φ = 346671064.

The previous prime is 1040013197. The next prime is 1040013209. The reversal of 1040013204 is 4023100401.

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 (1040013209) 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, 43333872 + ... + 43333895.

It is an arithmetic number, because the mean of its divisors is an integer number (202224792).

Almost surely, 2^1040013204 is an apocalyptic number.

It is an amenable number.

1040013204 is an abundant number, since it is smaller than the sum of its proper divisors (1386684300).

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

1040013204 is a wasteful number, since it uses less digits than its factorization.

1040013204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86667774 (or 86667772 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1040013204 is about 32249.2357118739. The cubic root of 1040013204 is about 1013.1636915446.

Adding to 1040013204 its reverse (4023100401), we get a palindrome (5063113605).

The spelling of 1040013204 in words is "one billion, forty million, thirteen thousand, two hundred four".