2684329980 has 24 divisors (see below), whose sum is σ = 7516124112. Its totient is φ = 715821312.

The previous prime is 2684329969. The next prime is 2684329981. The reversal of 2684329980 is 899234862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2684329981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22369357 + ... + 22369476.

It is an arithmetic number, because the mean of its divisors is an integer number (313171838).

Almost surely, 2^2684329980 is an apocalyptic number.

2684329980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2684329980 is an abundant number, since it is smaller than the sum of its proper divisors (4831794132).

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

2684329980 is a wasteful number, since it uses less digits than its factorization.

2684329980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44738845 (or 44738843 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 51.

The square root of 2684329980 is about 51810.5199742292. The cubic root of 2684329980 is about 1389.7775777158. Note that the first 3 decimals are identical.

The spelling of 2684329980 in words is "two billion, six hundred eighty-four million, three hundred twenty-nine thousand, nine hundred eighty".