404070366999 has 64 divisors (see below), whose sum is σ = 634090867200. Its totient is φ = 226623785472.

The previous prime is 404070366971. The next prime is 404070367009. The reversal of 404070366999 is 999663070404.

It is not a de Polignac number, because 404070366999 - 2⁷ = 404070366871 is a prime.

It is a super-2 number, since 2×404070366999² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404070366299) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5918512 + ... + 5986394.

It is an arithmetic number, because the mean of its divisors is an integer number (9907669800).

Almost surely, 2^404070366999 is an apocalyptic number.

404070366999 is a deficient number, since it is larger than the sum of its proper divisors (230020500201).

404070366999 is a wasteful number, since it uses less digits than its factorization.

404070366999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68224.

The product of its (nonzero) digits is 8817984, while the sum is 57.

The spelling of 404070366999 in words is "four hundred four billion, seventy million, three hundred sixty-six thousand, nine hundred ninety-nine".