404111947204 has 81 divisors (see below), whose sum is σ = 874221884109. Its totient is φ = 162942111360.

The previous prime is 404111947201. The next prime is 404111947231. The reversal of 404111947204 is 402749111404.

The square root of 404111947204 is 635698.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 314620028100 + 89491919104 = 560910^2 + 299152^2 .

It is not an unprimeable number, because it can be changed into a prime (404111947201) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 151294789 + ... + 151297459.

Almost surely, 2^404111947204 is an apocalyptic number.

404111947204 is the 635698-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 404111947204

404111947204 is an abundant number, since it is smaller than the sum of its proper divisors (470109936905).

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

404111947204 is an equidigital number, since it uses as much as digits as its factorization.

404111947204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5394 (or 2697 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The spelling of 404111947204 in words is "four hundred four billion, one hundred eleven million, nine hundred forty-seven thousand, two hundred four".