40000404004 has 48 divisors (see below), whose sum is σ = 79780075200. Its totient is φ = 17381168000.

The previous prime is 40000403981. The next prime is 40000404013. The reversal of 40000404004 is 40040400004.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26314 + ... + 284065.

It is an arithmetic number, because the mean of its divisors is an integer number (1662084900).

Almost surely, 2^40000404004 is an apocalyptic number.

40000404004 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40000404004 is a deficient number, since it is larger than the sum of its proper divisors (39779671196).

40000404004 is a wasteful number, since it uses less digits than its factorization.

40000404004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310524 (or 310522 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 40000404004 its reverse (40040400004), we get a palindrome (80040804008).

The spelling of 40000404004 in words is "forty billion, four hundred four thousand, four".