402040204202 has 32 divisors (see below), whose sum is σ = 749164816512. Its totient is φ = 157562426304.

The previous prime is 402040204151. The next prime is 402040204297. The reversal of 402040204202 is 202402040204.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10303013 + ... + 10341960.

It is an arithmetic number, because the mean of its divisors is an integer number (23411400516).

Almost surely, 2^402040204202 is an apocalyptic number.

402040204202 is a deficient number, since it is larger than the sum of its proper divisors (347124612310).

402040204202 is a wasteful number, since it uses less digits than its factorization.

402040204202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20645102.

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

Adding to 402040204202 its reverse (202402040204), we get a palindrome (604442244406).

The spelling of 402040204202 in words is "four hundred two billion, forty million, two hundred four thousand, two hundred two".