2515820000 has 60 divisors (see below), whose sum is σ = 6189343776. Its totient is φ = 1006320000.

The previous prime is 2515819997. The next prime is 2515820029. The reversal of 2515820000 is 285152.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 42896 + ... + 82895.

Almost surely, 2^2515820000 is an apocalyptic number.

2515820000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2515820000 is an abundant number, since it is smaller than the sum of its proper divisors (3673523776).

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

2515820000 is an equidigital number, since it uses as much as digits as its factorization.

2515820000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125821 (or 125798 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 2515820000 is about 50157.9505163439. The cubic root of 2515820000 is about 1360.0655966054.

The spelling of 2515820000 in words is "two billion, five hundred fifteen million, eight hundred twenty thousand".