40404050012 has 48 divisors (see below), whose sum is σ = 76922926080. Its totient is φ = 18498844800.

The previous prime is 40404050003. The next prime is 40404050047. The reversal of 40404050012 is 21005040404.

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, 2009087 + ... + 2029097.

It is an arithmetic number, because the mean of its divisors is an integer number (1602560960).

Almost surely, 2^40404050012 is an apocalyptic number.

It is an amenable number.

40404050012 is a deficient number, since it is larger than the sum of its proper divisors (36518876068).

40404050012 is a wasteful number, since it uses less digits than its factorization.

40404050012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20922 (or 20920 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

Adding to 40404050012 its reverse (21005040404), we get a palindrome (61409090416).

The spelling of 40404050012 in words is "forty billion, four hundred four million, fifty thousand, twelve".