402637766379 has 8 divisors (see below), whose sum is σ = 537793855440. Its totient is φ = 267953427456.

The previous prime is 402637766329. The next prime is 402637766413. The reversal of 402637766379 is 973667736204.

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

It is not a de Polignac number, because 402637766379 - 2⁸ = 402637766123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (402637766329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117935542 + ... + 117938955.

It is an arithmetic number, because the mean of its divisors is an integer number (67224231930).

Almost surely, 2^402637766379 is an apocalyptic number.

402637766379 is a deficient number, since it is larger than the sum of its proper divisors (135156089061).

402637766379 is a wasteful number, since it uses less digits than its factorization.

402637766379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235875069.

The product of its (nonzero) digits is 48009024, while the sum is 60.

The spelling of 402637766379 in words is "four hundred two billion, six hundred thirty-seven million, seven hundred sixty-six thousand, three hundred seventy-nine".