2518140 has 24 divisors (see below), whose sum is σ = 7050960. Its totient is φ = 671488.

The previous prime is 2518133. The next prime is 2518147. The reversal of 2518140 is 418152.

It is an interprime number because it is at equal distance from previous prime (2518133) and next prime (2518147).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2518147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20925 + ... + 21044.

It is an arithmetic number, because the mean of its divisors is an integer number (293790).

2^2518140 is an apocalyptic number.

2518140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2518140 is an abundant number, since it is smaller than the sum of its proper divisors (4532820).

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

2518140 is a wasteful number, since it uses less digits than its factorization.

2518140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41981 (or 41979 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 2518140 is about 1586.8648335633. The cubic root of 2518140 is about 136.0483536252.

The spelling of 2518140 in words is "two million, five hundred eighteen thousand, one hundred forty".