402206653564 has 12 divisors (see below), whose sum is σ = 703870183744. Its totient is φ = 201100886784.

The previous prime is 402206653553. The next prime is 402206653567. The reversal of 402206653564 is 465356602204.

It is a self number, because there is not a number n which added to its sum of digits gives 402206653564.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402206653567) 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, 209964 + ... + 921139.

Almost surely, 2^402206653564 is an apocalyptic number.

It is an amenable number.

402206653564 is a deficient number, since it is larger than the sum of its proper divisors (301663530180).

402206653564 is a wasteful number, since it uses less digits than its factorization.

402206653564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220004 (or 1220002 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 43.

The spelling of 402206653564 in words is "four hundred two billion, two hundred six million, six hundred fifty-three thousand, five hundred sixty-four".