2659521520380 has 24 divisors (see below), whose sum is σ = 7446660257232. Its totient is φ = 709205738752.

The previous prime is 2659521520367. The next prime is 2659521520391. The reversal of 2659521520380 is 830251259562.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22162679277 + ... + 22162679396.

It is an arithmetic number, because the mean of its divisors is an integer number (310277510718).

Almost surely, 2^{2659521520380} is an apocalyptic number.

2659521520380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2659521520380 is an abundant number, since it is smaller than the sum of its proper divisors (4787138736852).

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

2659521520380 is a wasteful number, since it uses less digits than its factorization.

2659521520380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44325358685 (or 44325358683 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 48.

The spelling of 2659521520380 in words is "two trillion, six hundred fifty-nine billion, five hundred twenty-one million, five hundred twenty thousand, three hundred eighty".