2540288 has 18 divisors (see below), whose sum is σ = 5071164. Its totient is φ = 1270016.

The previous prime is 2540269. The next prime is 2540323. The reversal of 2540288 is 8820452.

It is a self number, because there is not a number n which added to its sum of digits gives 2540288.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4706 + ... + 5217.

2^2540288 is an apocalyptic number.

It is an amenable number.

2540288 is a deficient number, since it is larger than the sum of its proper divisors (2530876).

2540288 is an frugal number, since it uses more digits than its factorization.

2540288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9939 (or 9925 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 2540288 is about 1593.8280961258. The cubic root of 2540288 is about 136.4460556027.

The spelling of 2540288 in words is "two million, five hundred forty thousand, two hundred eighty-eight".