402018806462 has 96 divisors (see below), whose sum is σ = 800880333120. Its totient is φ = 149497850880.

The previous prime is 402018806437. The next prime is 402018806471. The reversal of 402018806462 is 264608810204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17943287 + ... + 17965677.

It is an arithmetic number, because the mean of its divisors is an integer number (8342503470).

Almost surely, 2^402018806462 is an apocalyptic number.

402018806462 is a deficient number, since it is larger than the sum of its proper divisors (398861526658).

402018806462 is a wasteful number, since it uses less digits than its factorization.

402018806462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23266 (or 23259 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 41.

The spelling of 402018806462 in words is "four hundred two billion, eighteen million, eight hundred six thousand, four hundred sixty-two".