402231200442 has 32 divisors (see below), whose sum is σ = 809937878400. Its totient is φ = 133164657600.

The previous prime is 402231200417. The next prime is 402231200443. The reversal of 402231200442 is 244002132204.

It is not an unprimeable number, because it can be changed into a prime (402231200443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18361648 + ... + 18383540.

It is an arithmetic number, because the mean of its divisors is an integer number (25310558700).

Almost surely, 2^402231200442 is an apocalyptic number.

402231200442 is an abundant number, since it is smaller than the sum of its proper divisors (407706677958).

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

402231200442 is a wasteful number, since it uses less digits than its factorization.

402231200442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42598.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 402231200442 its reverse (244002132204), we get a palindrome (646233332646).

The spelling of 402231200442 in words is "four hundred two billion, two hundred thirty-one million, two hundred thousand, four hundred forty-two".