40404323004 has 48 divisors (see below), whose sum is σ = 99344676480. Its totient is φ = 12745632960.

The previous prime is 40404322991. The next prime is 40404323039. The reversal of 40404323004 is 40032340404.

It is a happy number.

It is a congruent number.

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, 120387 + ... + 308709.

It is an arithmetic number, because the mean of its divisors is an integer number (2069680760).

Almost surely, 2^40404323004 is an apocalyptic number.

It is an amenable number.

40404323004 is an abundant number, since it is smaller than the sum of its proper divisors (58940353476).

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

40404323004 is a wasteful number, since it uses less digits than its factorization.

40404323004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189290 (or 189288 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 40404323004 its reverse (40032340404), we get a palindrome (80436663408).

The spelling of 40404323004 in words is "forty billion, four hundred four million, three hundred twenty-three thousand, four".