2508240 has 80 divisors (see below), whose sum is σ = 8892288. Its totient is φ = 572928.

The previous prime is 2508227. The next prime is 2508269. The reversal of 2508240 is 428052.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 934 + ... + 2426.

2^2508240 is an apocalyptic number.

2508240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2508240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4446144).

2508240 is an abundant number, since it is smaller than the sum of its proper divisors (6384048).

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

2508240 is a wasteful number, since it uses less digits than its factorization.

2508240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516 (or 1510 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 2508240 is about 1583.7424032967. The cubic root of 2508240 is about 135.8698293124.

The spelling of 2508240 in words is "two million, five hundred eight thousand, two hundred forty".