2540448 has 36 divisors (see below), whose sum is σ = 7225218. Its totient is φ = 846720.

The previous prime is 2540443. The next prime is 2540479. The reversal of 2540448 is 8440452.

It can be written as a sum of positive squares in only one way, i.e., 2039184 + 501264 = 1428^2 + 708^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (2540441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4123 + ... + 4698.

2^2540448 is an apocalyptic number.

It is an amenable number.

2540448 is an abundant number, since it is smaller than the sum of its proper divisors (4684770).

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

2540448 is a wasteful number, since it uses less digits than its factorization.

2540448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8837 (or 8826 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 2540448 is about 1593.8782889543. The cubic root of 2540448 is about 136.4489202268.

It can be divided in two parts, 25404 and 48, that added together give a palindrome (25452).

The spelling of 2540448 in words is "two million, five hundred forty thousand, four hundred forty-eight".