2562240 has 112 divisors (see below), whose sum is σ = 8668512. Its totient is φ = 638976.

The previous prime is 2562239. The next prime is 2562251. The reversal of 2562240 is 422652.

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, 16242 + ... + 16398.

2^2562240 is an apocalyptic number.

2562240 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 2562240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4334256).

2562240 is an abundant number, since it is smaller than the sum of its proper divisors (6106272).

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

2562240 is a wasteful number, since it uses less digits than its factorization.

2562240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2562240 is about 1600.6998469420. The cubic root of 2562240 is about 136.8379635412.

Adding to 2562240 its reverse (422652), we get a palindrome (2984892).

The spelling of 2562240 in words is "two million, five hundred sixty-two thousand, two hundred forty".