2580078516 has 12 divisors (see below), whose sum is σ = 6020183232. Its totient is φ = 860026168.

The previous prime is 2580078451. The next prime is 2580078517. The reversal of 2580078516 is 6158700852.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2580078517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107503260 + ... + 107503283.

It is an arithmetic number, because the mean of its divisors is an integer number (501681936).

Almost surely, 2^2580078516 is an apocalyptic number.

It is an amenable number.

2580078516 is an abundant number, since it is smaller than the sum of its proper divisors (3440104716).

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

2580078516 is a wasteful number, since it uses less digits than its factorization.

2580078516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215006550 (or 215006548 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 42.

The square root of 2580078516 is about 50794.4732820412. The cubic root of 2580078516 is about 1371.5478830288.

The spelling of 2580078516 in words is "two billion, five hundred eighty million, seventy-eight thousand, five hundred sixteen".