2580786040 has 64 divisors (see below), whose sum is σ = 6790671360. Its totient is φ = 864259200.

The previous prime is 2580786023. The next prime is 2580786049. The reversal of 2580786040 is 406870852.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 2580785984 and 2580786002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2580786049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95136 + ... + 119215.

It is an arithmetic number, because the mean of its divisors is an integer number (106104240).

Almost surely, 2^2580786040 is an apocalyptic number.

2580786040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2580786040 is an abundant number, since it is smaller than the sum of its proper divisors (4209885320).

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

2580786040 is a wasteful number, since it uses less digits than its factorization.

2580786040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214412 (or 214408 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 2580786040 is about 50801.4373812395. The cubic root of 2580786040 is about 1371.6732428255.

The spelling of 2580786040 in words is "two billion, five hundred eighty million, seven hundred eighty-six thousand, forty".