402553664366 has 8 divisors (see below), whose sum is σ = 690091996080. Its totient is φ = 172522999008.

The previous prime is 402553664329. The next prime is 402553664377. The reversal of 402553664366 is 663466355204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14376916571 + ... + 14376916598.

It is an arithmetic number, because the mean of its divisors is an integer number (86261499510).

Almost surely, 2^402553664366 is an apocalyptic number.

402553664366 is a deficient number, since it is larger than the sum of its proper divisors (287538331714).

402553664366 is a wasteful number, since it uses less digits than its factorization.

402553664366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28753833178.

The product of its (nonzero) digits is 9331200, while the sum is 50.

The spelling of 402553664366 in words is "four hundred two billion, five hundred fifty-three million, six hundred sixty-four thousand, three hundred sixty-six".