40404324004 has 24 divisors (see below), whose sum is σ = 78286809888. Its totient is φ = 18091487040.

The previous prime is 40404323989. The next prime is 40404324053. The reversal of 40404324004 is 40042340404.

It is a self number, because there is not a number n which added to its sum of digits gives 40404324004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6849889 + ... + 6855784.

It is an arithmetic number, because the mean of its divisors is an integer number (3261950412).

Almost surely, 2^40404324004 is an apocalyptic number.

40404324004 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40404324004 is a deficient number, since it is larger than the sum of its proper divisors (37882485884).

40404324004 is a wasteful number, since it uses less digits than its factorization.

40404324004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13705755 (or 13705753 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 40404324004 its reverse (40042340404), we get a palindrome (80446664408).

The spelling of 40404324004 in words is "forty billion, four hundred four million, three hundred twenty-four thousand, four".