6402706492 has 24 divisors (see below), whose sum is σ = 13790445536. Its totient is φ = 2532938688.

The previous prime is 6402706463. The next prime is 6402706501. The reversal of 6402706492 is 2946072046.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8794563 + ... + 8795290.

Almost surely, 2^6402706492 is an apocalyptic number.

It is an amenable number.

6402706492 is an abundant number, since it is smaller than the sum of its proper divisors (7387739044).

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

6402706492 is a wasteful number, since it uses less digits than its factorization.

6402706492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17589877 (or 17589875 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 6402706492 is about 80016.9137870238. The cubic root of 6402706492 is about 1856.8972137081.

The spelling of 6402706492 in words is "six billion, four hundred two million, seven hundred six thousand, four hundred ninety-two".