40202102404 has 12 divisors (see below), whose sum is σ = 70361558428. Its totient is φ = 20098800000.

The previous prime is 40202102389. The next prime is 40202102449. The reversal of 40202102404 is 40420120204.

It can be written as a sum of positive squares in 2 ways, for example, as 13190522500 + 27011579904 = 114850^2 + 164352^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 522297 + ... + 594304.

Almost surely, 2^40202102404 is an apocalyptic number.

It is an amenable number.

40202102404 is a deficient number, since it is larger than the sum of its proper divisors (30159456024).

40202102404 is a wasteful number, since it uses less digits than its factorization.

40202102404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125606 (or 1125604 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 40202102404 its reverse (40420120204), we get a palindrome (80622222608).

The spelling of 40202102404 in words is "forty billion, two hundred two million, one hundred two thousand, four hundred four".