40404040202 has 16 divisors (see below), whose sum is σ = 61313862600. Its totient is φ = 19966790400.

The previous prime is 40404040181. The next prime is 40404040211. The reversal of 40404040202 is 20204040404.

It can be written as a sum of positive squares in 4 ways, for example, as 40004400121 + 399640081 = 200011^2 + 19991^2 .

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, 60827 + ... + 290702.

Almost surely, 2^40404040202 is an apocalyptic number.

40404040202 is a deficient number, since it is larger than the sum of its proper divisors (20909822398).

40404040202 is a wasteful number, since it uses less digits than its factorization.

40404040202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352201.

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

Adding to 40404040202 its reverse (20204040404), we get a palindrome (60608080606).

The spelling of 40404040202 in words is "forty billion, four hundred four million, forty thousand, two hundred two".