202040002404 has 24 divisors (see below), whose sum is σ = 523807413920. Its totient is φ = 67346667432.

The previous prime is 202040002397. The next prime is 202040002421. The reversal of 202040002404 is 404200040202.

202040002404 is a `hidden beast` number, since 2 + 0 + 20 + 400 + 0 + 240 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 935370274 + ... + 935370489.

Almost surely, 2^202040002404 is an apocalyptic number.

It is an amenable number.

202040002404 is an abundant number, since it is smaller than the sum of its proper divisors (321767411516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202040002404 is a wasteful number, since it uses less digits than its factorization.

202040002404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1870740776 (or 1870740768 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 202040002404 its reverse (404200040202), we get a palindrome (606240042606).

The spelling of 202040002404 in words is "two hundred two billion, forty million, two thousand, four hundred four".