40404000404 has 12 divisors (see below), whose sum is σ = 71246749728. Its totient is φ = 20047786200.

The previous prime is 40404000359. The next prime is 40404000409. The reversal of 40404000404 is 40400040404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40404000409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38552912 + ... + 38553959.

It is an arithmetic number, because the mean of its divisors is an integer number (5937229144).

Almost surely, 2^40404000404 is an apocalyptic number.

It is an amenable number.

40404000404 is a deficient number, since it is larger than the sum of its proper divisors (30842749324).

40404000404 is a wasteful number, since it uses less digits than its factorization.

40404000404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77107006 (or 77107004 counting only the distinct ones).

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

Adding to 40404000404 its reverse (40400040404), we get a palindrome (80804040808).

The spelling of 40404000404 in words is "forty billion, four hundred four million, four hundred four", and thus it is an aban number.