2170640496 has 20 divisors (see below), whose sum is σ = 5607488072. Its totient is φ = 723546816.

The previous prime is 2170640477. The next prime is 2170640501. The reversal of 2170640496 is 6940460712.

It is a happy number.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22610791 + ... + 22610886.

Almost surely, 2^2170640496 is an apocalyptic number.

It is an amenable number.

2170640496 is an abundant number, since it is smaller than the sum of its proper divisors (3436847576).

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

2170640496 is a wasteful number, since it uses less digits than its factorization.

2170640496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45221688 (or 45221682 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 2170640496 is about 46590.1330326497. The cubic root of 2170640496 is about 1294.7799541645.

The spelling of 2170640496 in words is "two billion, one hundred seventy million, six hundred forty thousand, four hundred ninety-six".