402022847892 has 12 divisors (see below), whose sum is σ = 938053311776. Its totient is φ = 134007615960.

The previous prime is 402022847887. The next prime is 402022847893. The reversal of 402022847892 is 298748220204.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402022847893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16750951984 + ... + 16750952007.

Almost surely, 2^402022847892 is an apocalyptic number.

It is an amenable number.

402022847892 is an abundant number, since it is smaller than the sum of its proper divisors (536030463884).

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

402022847892 is a wasteful number, since it uses less digits than its factorization.

402022847892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33501903998 (or 33501903996 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 48.

The spelling of 402022847892 in words is "four hundred two billion, twenty-two million, eight hundred forty-seven thousand, eight hundred ninety-two".