40402030323202 has 4 divisors (see below), whose sum is σ = 60603045484806. Its totient is φ = 20201015161600.

The previous prime is 40402030323169. The next prime is 40402030323223. The reversal of 40402030323202 is 20232303020404.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 39370467118921 + 1031563204281 = 6274589^2 + 1015659^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100507580799 + ... + 10100507580802.

Almost surely, 2^{40402030323202} is an apocalyptic number.

40402030323202 is a deficient number, since it is larger than the sum of its proper divisors (20201015161604).

40402030323202 is a wasteful number, since it uses less digits than its factorization.

40402030323202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20201015161603.

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 40402030323202 its reverse (20232303020404), we get a palindrome (60634333343606).

The spelling of 40402030323202 in words is "forty trillion, four hundred two billion, thirty million, three hundred twenty-three thousand, two hundred two".