404056007716 has 9 divisors (see below), whose sum is σ = 707100238299. Its totient is φ = 202027368204.

The previous prime is 404056007713. The next prime is 404056007723. The reversal of 404056007716 is 617700650404.

The square root of 404056007716 is 635654.

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

It is a super-2 number, since 2×404056007716² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404056007713) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1112395 + ... + 1430221.

Almost surely, 2^404056007716 is an apocalyptic number.

404056007716 is the 635654-th square number.

It is an amenable number.

404056007716 is a deficient number, since it is larger than the sum of its proper divisors (303044230583).

404056007716 is an frugal number, since it uses more digits than its factorization.

404056007716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635658 (or 317829 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 404056007716 in words is "four hundred four billion, fifty-six million, seven thousand, seven hundred sixteen".