2658871380 has 96 divisors (see below), whose sum is σ = 8401760640. Its totient is φ = 622343680.

The previous prime is 2658871379. The next prime is 2658871399. The reversal of 2658871380 is 831788562.

2658871380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 50319 + ... + 88598.

It is an arithmetic number, because the mean of its divisors is an integer number (87518340).

Almost surely, 2^2658871380 is an apocalyptic number.

2658871380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2658871380 is an abundant number, since it is smaller than the sum of its proper divisors (5742889260).

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

2658871380 is a wasteful number, since it uses less digits than its factorization.

2658871380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138969 (or 138967 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 48.

The square root of 2658871380 is about 51564.2451704667. The cubic root of 2658871380 is about 1385.3699924241.

The spelling of 2658871380 in words is "two billion, six hundred fifty-eight million, eight hundred seventy-one thousand, three hundred eighty".