40404004404 has 12 divisors (see below), whose sum is σ = 94276010304. Its totient is φ = 13468001464.

The previous prime is 40404004369. The next prime is 40404004423. The reversal of 40404004404 is 40440040404.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1683500172 + ... + 1683500195.

It is an arithmetic number, because the mean of its divisors is an integer number (7856334192).

Almost surely, 2^40404004404 is an apocalyptic number.

It is an amenable number.

40404004404 is an abundant number, since it is smaller than the sum of its proper divisors (53872005900).

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

40404004404 is a wasteful number, since it uses less digits than its factorization.

40404004404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3367000374 (or 3367000372 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 40404004404 its reverse (40440040404), we get a palindrome (80844044808).

The spelling of 40404004404 in words is "forty billion, four hundred four million, four thousand, four hundred four".