2686492740 has 48 divisors (see below), whose sum is σ = 7682234112. Its totient is φ = 701154816.

The previous prime is 2686492717. The next prime is 2686492801. The reversal of 2686492740 is 472946862.

It is a self number, because there is not a number n which added to its sum of digits gives 2686492740.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 473509 + ... + 479148.

It is an arithmetic number, because the mean of its divisors is an integer number (160046544).

Almost surely, 2^2686492740 is an apocalyptic number.

2686492740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2686492740 is an abundant number, since it is smaller than the sum of its proper divisors (4995741372).

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

2686492740 is a wasteful number, since it uses less digits than its factorization.

2686492740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952716 (or 952714 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 48.

The square root of 2686492740 is about 51831.3875947770. The cubic root of 2686492740 is about 1390.1507246455.

The spelling of 2686492740 in words is "two billion, six hundred eighty-six million, four hundred ninety-two thousand, seven hundred forty".