2540260 has 24 divisors (see below), whose sum is σ = 5375160. Its totient is φ = 1008384.

The previous prime is 2540249. The next prime is 2540261. The reversal of 2540260 is 620452.

It can be written as a sum of positive squares in 4 ways, for example, as 443556 + 2096704 = 666^2 + 1448^2 .

It is not an unprimeable number, because it can be changed into a prime (2540261) 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, 2736 + ... + 3544.

It is an arithmetic number, because the mean of its divisors is an integer number (223965).

2^2540260 is an apocalyptic number.

2540260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2540260 is an abundant number, since it is smaller than the sum of its proper divisors (2834900).

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

2540260 is a wasteful number, since it uses less digits than its factorization.

2540260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975 (or 973 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2540260 is about 1593.8193122183. The cubic root of 2540260 is about 136.4455542812.

The spelling of 2540260 in words is "two million, five hundred forty thousand, two hundred sixty".