2580402 has 16 divisors (see below), whose sum is σ = 5630112. Its totient is φ = 781920.

The previous prime is 2580401. The next prime is 2580407. The reversal of 2580402 is 2040852.

It is not an unprimeable number, because it can be changed into a prime (2580401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19483 + ... + 19614.

It is an arithmetic number, because the mean of its divisors is an integer number (351882).

2^2580402 is an apocalyptic number.

2580402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2580402 is an abundant number, since it is smaller than the sum of its proper divisors (3049710).

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

2580402 is a wasteful number, since it uses less digits than its factorization.

2580402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39113.

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

The square root of 2580402 is about 1606.3629726808. The cubic root of 2580402 is about 137.1605201085.

The spelling of 2580402 in words is "two million, five hundred eighty thousand, four hundred two".