2686632830 has 64 divisors (see below), whose sum is σ = 5697312768. Its totient is φ = 892995840.

The previous prime is 2686632811. The next prime is 2686632881. The reversal of 2686632830 is 382366862.

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 31 ways as a sum of consecutive naturals, for example, 464939 + ... + 470681.

It is an arithmetic number, because the mean of its divisors is an integer number (89020512).

Almost surely, 2^2686632830 is an apocalyptic number.

2686632830 is an abundant number, since it is smaller than the sum of its proper divisors (3010679938).

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

2686632830 is a wasteful number, since it uses less digits than its factorization.

2686632830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5961.

The product of its (nonzero) digits is 497664, while the sum is 44.

The square root of 2686632830 is about 51832.7389783716. The cubic root of 2686632830 is about 1390.1748878512.

The spelling of 2686632830 in words is "two billion, six hundred eighty-six million, six hundred thirty-two thousand, eight hundred thirty".