10040904 has 24 divisors (see below), whose sum is σ = 27194310. Its totient is φ = 3346944.

The previous prime is 10040881. The next prime is 10040917. The reversal of 10040904 is 40904001.

It can be written as a sum of positive squares in only one way, i.e., 9548100 + 492804 = 3090^2 + 702^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69657 + ... + 69800.

Almost surely, 2^10040904 is an apocalyptic number.

It is an amenable number.

10040904 is an abundant number, since it is smaller than the sum of its proper divisors (17153406).

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

10040904 is a wasteful number, since it uses less digits than its factorization.

10040904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139469 (or 139462 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 10040904 is about 3168.7385502752. The cubic root of 10040904 is about 215.7368193811.

Adding to 10040904 its reverse (40904001), we get a palindrome (50944905).

The spelling of 10040904 in words is "ten million, forty thousand, nine hundred four".