2518000000 has 112 divisors (see below), whose sum is σ = 6275310300. Its totient is φ = 1006400000.

The previous prime is 2517999989. The next prime is 2518000013. The reversal of 2518000000 is 8152.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 1999371 + ... + 2000629.

Almost surely, 2^2518000000 is an apocalyptic number.

2518000000 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 2518000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3137655150).

2518000000 is an abundant number, since it is smaller than the sum of its proper divisors (3757310300).

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

2518000000 is an frugal number, since it uses more digits than its factorization.

2518000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303 (or 1266 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 2518000000 is about 50179.6771611775. The cubic root of 2518000000 is about 1360.4583230354.

Adding to 2518000000 its reverse (8152), we get a palindrome (2518008152).

The spelling of 2518000000 in words is "two billion, five hundred eighteen million", and thus it is an aban number.