2113887280 has 40 divisors (see below), whose sum is σ = 4982127552. Its totient is φ = 833969664.

The previous prime is 2113887247. The next prime is 2113887299. The reversal of 2113887280 is 827883112.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175144 + ... + 186823.

Almost surely, 2^2113887280 is an apocalyptic number.

2113887280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2113887280 is an abundant number, since it is smaller than the sum of its proper divisors (2868240272).

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

2113887280 is a wasteful number, since it uses less digits than its factorization.

2113887280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362053 (or 362047 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 40.

The square root of 2113887280 is about 45977.0299171227. The cubic root of 2113887280 is about 1283.3957845960.

The spelling of 2113887280 in words is "two billion, one hundred thirteen million, eight hundred eighty-seven thousand, two hundred eighty".