404040336 has 40 divisors (see below), whose sum is σ = 1192881984. Its totient is φ = 115440000.

The previous prime is 404040323. The next prime is 404040337. The reversal of 404040336 is 633040404.

It is a super-2 number, since 2×404040336² = 326497186229985792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (404040337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 600915 + ... + 601586.

Almost surely, 2^404040336 is an apocalyptic number.

It is an amenable number.

404040336 is an abundant number, since it is smaller than the sum of its proper divisors (788841648).

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

404040336 is a wasteful number, since it uses less digits than its factorization.

404040336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202519 (or 1202513 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 404040336 is about 20100.7546127005. The cubic root of 404040336 is about 739.2787811221.

The spelling of 404040336 in words is "four hundred four million, forty thousand, three hundred thirty-six".