402662264664 has 64 divisors (see below), whose sum is σ = 1101067632000. Its totient is φ = 121696888320.

The previous prime is 402662264629. The next prime is 402662264689. The reversal of 402662264664 is 466462266204.

It is a congruent number.

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, 1912129 + ... + 2112240.

It is an arithmetic number, because the mean of its divisors is an integer number (17204181750).

Almost surely, 2^402662264664 is an apocalyptic number.

402662264664 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

402662264664 is an abundant number, since it is smaller than the sum of its proper divisors (698405367336).

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

402662264664 is a wasteful number, since it uses less digits than its factorization.

402662264664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4024768 (or 4024764 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 48.

The spelling of 402662264664 in words is "four hundred two billion, six hundred sixty-two million, two hundred sixty-four thousand, six hundred sixty-four".