2115458880 has 112 divisors (see below), whose sum is σ = 6725716800. Its totient is φ = 563355648.

The previous prime is 2115458867. The next prime is 2115458881. The reversal of 2115458880 is 888545112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115458881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1244271 + ... + 1245969.

Almost surely, 2^2115458880 is an apocalyptic number.

2115458880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2115458880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3362858400).

2115458880 is an abundant number, since it is smaller than the sum of its proper divisors (4610257920).

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

2115458880 is a wasteful number, since it uses less digits than its factorization.

2115458880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3016 (or 3006 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 42.

The square root of 2115458880 is about 45994.1178847904. The cubic root of 2115458880 is about 1283.7137588463.

The spelling of 2115458880 in words is "two billion, one hundred fifteen million, four hundred fifty-eight thousand, eight hundred eighty".