2015980500 has 48 divisors (see below), whose sum is σ = 5870539584. Its totient is φ = 537594400.

The previous prime is 2015980489. The next prime is 2015980511. The reversal of 2015980500 is 50895102.

It is an interprime number because it is at equal distance from previous prime (2015980489) and next prime (2015980511).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 670494 + ... + 673493.

It is an arithmetic number, because the mean of its divisors is an integer number (122302908).

Almost surely, 2^2015980500 is an apocalyptic number.

2015980500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2015980500 is an abundant number, since it is smaller than the sum of its proper divisors (3854559084).

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

2015980500 is a wasteful number, since it uses less digits than its factorization.

2015980500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344009 (or 1343997 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 2015980500 is about 44899.6714910031. The cubic root of 2015980500 is about 1263.2678464688.

The spelling of 2015980500 in words is "two billion, fifteen million, nine hundred eighty thousand, five hundred".