2540380 has 24 divisors (see below), whose sum is σ = 5412960. Its totient is φ = 1001280.

The previous prime is 2540341. The next prime is 2540389. The reversal of 2540380 is 830452.

2540380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2540389) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 526 + ... + 2314.

It is an arithmetic number, because the mean of its divisors is an integer number (225540).

2^2540380 is an apocalyptic number.

2540380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2540380 is an abundant number, since it is smaller than the sum of its proper divisors (2872580).

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

2540380 is a wasteful number, since it uses less digits than its factorization.

2540380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1869 (or 1867 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2540380 is about 1593.8569571953. The cubic root of 2540380 is about 136.4477027763.

The spelling of 2540380 in words is "two million, five hundred forty thousand, three hundred eighty".