2559599994996 has 144 divisors (see below), whose sum is σ = 7474440250368. Its totient is φ = 729917337600.

The previous prime is 2559599994989. The next prime is 2559599995129. The reversal of 2559599994996 is 6994999959552.

2559599994996 is a `hidden beast` number, since 2 + 5 + 5 + 9 + 599 + 9 + 9 + 4 + 9 + 9 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 65893596 + ... + 65932428.

It is an arithmetic number, because the mean of its divisors is an integer number (51905835072).

Almost surely, 2^{2559599994996} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2559599994996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3737220125184).

2559599994996 is an abundant number, since it is smaller than the sum of its proper divisors (4914840255372).

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

2559599994996 is a wasteful number, since it uses less digits than its factorization.

2559599994996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48662 (or 48657 counting only the distinct ones).

The product of its digits is 28697814000, while the sum is 90.

The spelling of 2559599994996 in words is "two trillion, five hundred fifty-nine billion, five hundred ninety-nine million, nine hundred ninety-four thousand, nine hundred ninety-six".