402113212442 has 32 divisors (see below), whose sum is σ = 612182349504. Its totient is φ = 198074822400.

The previous prime is 402113212439. The next prime is 402113212517. The reversal of 402113212442 is 244212311204.

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, 72830642 + ... + 72836162.

It is an arithmetic number, because the mean of its divisors is an integer number (19130698422).

Almost surely, 2^402113212442 is an apocalyptic number.

402113212442 is a deficient number, since it is larger than the sum of its proper divisors (210069137062).

402113212442 is a wasteful number, since it uses less digits than its factorization.

402113212442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7454.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 402113212442 its reverse (244212311204), we get a palindrome (646325523646).

The spelling of 402113212442 in words is "four hundred two billion, one hundred thirteen million, two hundred twelve thousand, four hundred forty-two".