2580122040 has 64 divisors (see below), whose sum is σ = 7768409760. Its totient is φ = 685539840.

The previous prime is 2580122029. The next prime is 2580122057. The reversal of 2580122040 is 402210852.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2580122040.

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, 5571 + ... + 72050.

Almost surely, 2^2580122040 is an apocalyptic number.

2580122040 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 2580122040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3884204880).

2580122040 is an abundant number, since it is smaller than the sum of its proper divisors (5188287720).

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

2580122040 is a wasteful number, since it uses less digits than its factorization.

2580122040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77912 (or 77908 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 2580122040 is about 50794.9017126719. The cubic root of 2580122040 is about 1371.5555953153. Note that the first 4 decimals are identical.

Adding to 2580122040 its reverse (402210852), we get a palindrome (2982332892).

The spelling of 2580122040 in words is "two billion, five hundred eighty million, one hundred twenty-two thousand, forty".