2540080 has 20 divisors (see below), whose sum is σ = 5905872. Its totient is φ = 1016000.

The previous prime is 2540071. The next prime is 2540093. The reversal of 2540080 is 800452.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15796 + ... + 15955.

2^2540080 is an apocalyptic number.

2540080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2540080 is an abundant number, since it is smaller than the sum of its proper divisors (3365792).

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

2540080 is a wasteful number, since it uses less digits than its factorization.

2540080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31764 (or 31758 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 2540080 is about 1593.7628430855. The cubic root of 2540080 is about 136.4423314116.

The spelling of 2540080 in words is "two million, five hundred forty thousand, eighty".