402333136242 has 32 divisors (see below), whose sum is σ = 839749386240. Its totient is φ = 128265215760.

The previous prime is 402333136193. The next prime is 402333136307. The reversal of 402333136242 is 242631333204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1053609 + ... + 1383747.

It is an arithmetic number, because the mean of its divisors is an integer number (26242168320).

Almost surely, 2^402333136242 is an apocalyptic number.

402333136242 is an abundant number, since it is smaller than the sum of its proper divisors (437416249998).

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

402333136242 is a wasteful number, since it uses less digits than its factorization.

402333136242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338998.

The product of its (nonzero) digits is 62208, while the sum is 33.

Adding to 402333136242 its reverse (242631333204), we get a palindrome (644964469446).

The spelling of 402333136242 in words is "four hundred two billion, three hundred thirty-three million, one hundred thirty-six thousand, two hundred forty-two".