404040074040 has 96 divisors (see below), whose sum is σ = 1341069238080. Its totient is φ = 105451589376.

The previous prime is 404040074029. The next prime is 404040074051. The reversal of 404040074040 is 40470040404.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (404040074029) and next prime (404040074051).

It is a junction number, because it is equal to n+sod(n) for n = 404040073995 and 404040074013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11922799 + ... + 11956638.

It is an arithmetic number, because the mean of its divisors is an integer number (13969471230).

Almost surely, 2^404040074040 is an apocalyptic number.

404040074040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

404040074040 is an abundant number, since it is smaller than the sum of its proper divisors (937029164040).

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

404040074040 is a wasteful number, since it uses less digits than its factorization.

404040074040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23879501 (or 23879494 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 27.

The spelling of 404040074040 in words is "four hundred four billion, forty million, seventy-four thousand, forty".