40240404202 has 4 divisors (see below), whose sum is σ = 60360606306. Its totient is φ = 20120202100.

The previous prime is 40240404161. The next prime is 40240404271. The reversal of 40240404202 is 20240404204.

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., 40223912481 + 16491721 = 200559^2 + 4061^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10060101049 + ... + 10060101052.

Almost surely, 2^40240404202 is an apocalyptic number.

40240404202 is a deficient number, since it is larger than the sum of its proper divisors (20120202104).

40240404202 is a wasteful number, since it uses less digits than its factorization.

40240404202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20120202103.

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 40240404202 its reverse (20240404204), we get a palindrome (60480808406).

The spelling of 40240404202 in words is "forty billion, two hundred forty million, four hundred four thousand, two hundred two".