40004220404 has 36 divisors (see below), whose sum is σ = 73526308128. Its totient is φ = 19040263200.

The previous prime is 40004220353. The next prime is 40004220427. The reversal of 40004220404 is 40402240004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 155099 + ... + 322589.

It is an arithmetic number, because the mean of its divisors is an integer number (2042397448).

Almost surely, 2^40004220404 is an apocalyptic number.

It is an amenable number.

40004220404 is a deficient number, since it is larger than the sum of its proper divisors (33522087724).

40004220404 is a wasteful number, since it uses less digits than its factorization.

40004220404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167624 (or 167593 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 40004220404 its reverse (40402240004), we get a palindrome (80406460408).

The spelling of 40004220404 in words is "forty billion, four million, two hundred twenty thousand, four hundred four".