2015762980 has 96 divisors (see below), whose sum is σ = 5385542400. Its totient is φ = 628266240.

The previous prime is 2015762929. The next prime is 2015762993. The reversal of 2015762980 is 892675102.

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, 62104 + ... + 88816.

It is an arithmetic number, because the mean of its divisors is an integer number (56099400).

Almost surely, 2^2015762980 is an apocalyptic number.

2015762980 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 2015762980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2692771200).

2015762980 is an abundant number, since it is smaller than the sum of its proper divisors (3369779420).

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

2015762980 is a wasteful number, since it uses less digits than its factorization.

2015762980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26754 (or 26738 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 2015762980 is about 44897.2491362221. The cubic root of 2015762980 is about 1263.2224101984. Note that the first 3 decimals are identical.

The spelling of 2015762980 in words is "two billion, fifteen million, seven hundred sixty-two thousand, nine hundred eighty".