2455240 has 16 divisors (see below), whose sum is σ = 5524380. Its totient is φ = 982080.

The previous prime is 2455217. The next prime is 2455253. The reversal of 2455240 is 425542.

2455240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2125764 + 329476 = 1458^2 + 574^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 30651 + ... + 30730.

2^2455240 is an apocalyptic number.

2455240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2455240 is an abundant number, since it is smaller than the sum of its proper divisors (3069140).

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

2455240 is a wasteful number, since it uses less digits than its factorization.

2455240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61392 (or 61388 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 2455240 is about 1566.9205468051. The cubic root of 2455240 is about 134.9060159756.

The spelling of 2455240 in words is "two million, four hundred fifty-five thousand, two hundred forty".