402206804464 has 40 divisors (see below), whose sum is σ = 860990027040. Its totient is φ = 181044492288.

The previous prime is 402206804453. The next prime is 402206804473. The reversal of 402206804464 is 464408602204.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32139429 + ... + 32151940.

It is an arithmetic number, because the mean of its divisors is an integer number (21524750676).

Almost surely, 2^402206804464 is an apocalyptic number.

It is an amenable number.

402206804464 is an abundant number, since it is smaller than the sum of its proper divisors (458783222576).

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

402206804464 is a wasteful number, since it uses less digits than its factorization.

402206804464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64291417 (or 64291411 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 40.

The spelling of 402206804464 in words is "four hundred two billion, two hundred six million, eight hundred four thousand, four hundred sixty-four".