2518215480 has 160 divisors (see below), whose sum is σ = 9233587440. Its totient is φ = 610467840.

The previous prime is 2518215463. The next prime is 2518215499. The reversal of 2518215480 is 845128152.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 312 + ... + 70968.

Almost surely, 2^2518215480 is an apocalyptic number.

2518215480 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 2518215480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4616793720).

2518215480 is an abundant number, since it is smaller than the sum of its proper divisors (6715371960).

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

2518215480 is a wasteful number, since it uses less digits than its factorization.

2518215480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70691 (or 70678 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 36.

The square root of 2518215480 is about 50181.8241996044. The cubic root of 2518215480 is about 1360.4971293893.

The spelling of 2518215480 in words is "two billion, five hundred eighteen million, two hundred fifteen thousand, four hundred eighty".