2529240 has 64 divisors (see below), whose sum is σ = 8674560. Its totient is φ = 577920.

The previous prime is 2529239. The next prime is 2529251. The reversal of 2529240 is 429252.

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

It is a d-powerful number, because it can be written as 2 + 5⁷ + 2¹⁵ + 9⁵ + 2²¹ + 4⁹ + 0 .

It is a self number, because there is not a number n which added to its sum of digits gives 2529240.

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, 666 + ... + 2345.

It is an arithmetic number, because the mean of its divisors is an integer number (135540).

2^2529240 is an apocalyptic number.

2529240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2529240 is an abundant number, since it is smaller than the sum of its proper divisors (6145320).

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

2529240 is a wasteful number, since it uses less digits than its factorization.

2529240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3032 (or 3028 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2529240 is about 1590.3584501615. The cubic root of 2529240 is about 136.2479617011.

The spelling of 2529240 in words is "two million, five hundred twenty-nine thousand, two hundred forty".