40204040204 has 72 divisors (see below), whose sum is σ = 78194509680. Its totient is φ = 18033840000.

The previous prime is 40204040203. The next prime is 40204040237.

40204040204 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (40204040203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4055654 + ... + 4065554.

Almost surely, 2^40204040204 is an apocalyptic number.

It is an amenable number.

40204040204 is a deficient number, since it is larger than the sum of its proper divisors (37990469476).

40204040204 is a wasteful number, since it uses less digits than its factorization.

40204040204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10071 (or 10046 counting only the distinct ones).

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

It can be divided in two parts, 402040 and 40204, that added together give a palindrome (442244).

The spelling of 40204040204 in words is "forty billion, two hundred four million, forty thousand, two hundred four".