2538599396256 has 432 divisors, whose sum is σ = 9191225403360. Its totient is φ = 657216322560.

The previous prime is 2538599396161. The next prime is 2538599396261. The reversal of 2538599396256 is 6526939958352.

2538599396256 is a `hidden beast` number, since 2 + 5 + 3 + 8 + 599 + 3 + 9 + 6 + 25 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 47629590 + ... + 47682858.

It is an arithmetic number, because the mean of its divisors is an integer number (21275984730).

Almost surely, 2^{2538599396256} 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 2538599396256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4595612701680).

2538599396256 is an abundant number, since it is smaller than the sum of its proper divisors (6652626007104).

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

2538599396256 is a wasteful number, since it uses less digits than its factorization.

2538599396256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53617 (or 53599 counting only the distinct ones).

The product of its digits is 944784000, while the sum is 72.

The spelling of 2538599396256 in words is "two trillion, five hundred thirty-eight billion, five hundred ninety-nine million, three hundred ninety-six thousand, two hundred fifty-six".