2652240 has 80 divisors (see below), whose sum is σ = 8445888. Its totient is φ = 688128.

The previous prime is 2652233. The next prime is 2652269. The reversal of 2652240 is 422562.

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

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, 10192 + ... + 10448.

2^2652240 is an apocalyptic number.

2652240 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 2652240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4222944).

2652240 is an abundant number, since it is smaller than the sum of its proper divisors (5793648).

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

2652240 is a wasteful number, since it uses less digits than its factorization.

2652240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316 (or 310 counting only the distinct ones).

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

The square root of 2652240 is about 1628.5699248113. The cubic root of 2652240 is about 138.4217302465.

It can be divided in two parts, 26522 and 40, that added together give a palindrome (26562).

The spelling of 2652240 in words is "two million, six hundred fifty-two thousand, two hundred forty".