2625040 has 80 divisors (see below), whose sum is σ = 7053120. Its totient is φ = 898560.

The previous prime is 2625023. The next prime is 2625061. The reversal of 2625040 is 405262.

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 (19).

It is a junction number, because it is equal to n+sod(n) for n = 2624999 and 2625017.

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, 16642 + ... + 16798.

It is an arithmetic number, because the mean of its divisors is an integer number (88164).

2^2625040 is an apocalyptic number.

2625040 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 2625040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3526560).

2625040 is an abundant number, since it is smaller than the sum of its proper divisors (4428080).

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

2625040 is a wasteful number, since it uses less digits than its factorization.

2625040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2625040 is about 1620.1975188229. The cubic root of 2625040 is about 137.9469094947.

The spelling of 2625040 in words is "two million, six hundred twenty-five thousand, forty".