2640048 has 20 divisors (see below), whose sum is σ = 6820248. Its totient is φ = 880000.

The previous prime is 2640041. The next prime is 2640059. The reversal of 2640048 is 8400462.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (2640041) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 27453 + ... + 27548.

2^2640048 is an apocalyptic number.

It is an amenable number.

2640048 is an abundant number, since it is smaller than the sum of its proper divisors (4180200).

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

2640048 is a wasteful number, since it uses less digits than its factorization.

2640048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55012 (or 55006 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 2640048 is about 1624.8224518390. The cubic root of 2640048 is about 138.2093022222.

The spelling of 2640048 in words is "two million, six hundred forty thousand, forty-eight".