402200000402 has 16 divisors (see below), whose sum is σ = 604467304920. Its totient is φ = 200711000448.

The previous prime is 402200000393. The next prime is 402200000497. The reversal of 402200000402 is 204000002204.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 321544568401 + 80655432001 = 567049^2 + 283999^2 .

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, 9645374 + ... + 9686982.

Almost surely, 2^402200000402 is an apocalyptic number.

402200000402 is a deficient number, since it is larger than the sum of its proper divisors (202267304518).

402200000402 is a wasteful number, since it uses less digits than its factorization.

402200000402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50845.

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 402200000402 its reverse (204000002204), we get a palindrome (606200002606).

The spelling of 402200000402 in words is "four hundred two billion, two hundred million, four hundred two", and thus it is an aban number.