6405940962 has 24 divisors (see below), whose sum is σ = 13886601456. Its totient is φ = 2134227096.

The previous prime is 6405940951. The next prime is 6405940987. The reversal of 6405940962 is 2690495046.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53788 + ... + 125319.

It is an arithmetic number, because the mean of its divisors is an integer number (578608394).

Almost surely, 2^6405940962 is an apocalyptic number.

6405940962 is an abundant number, since it is smaller than the sum of its proper divisors (7480660494).

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

6405940962 is a wasteful number, since it uses less digits than its factorization.

6405940962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181102 (or 181099 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 6405940962 is about 80037.1223995466. The cubic root of 6405940962 is about 1857.2098454185.

The spelling of 6405940962 in words is "six billion, four hundred five million, nine hundred forty thousand, nine hundred sixty-two".