2554799989896 has 1280 divisors, whose sum is σ = 9408960000000. Its totient is φ = 641766343680.

The previous prime is 2554799989811. The next prime is 2554799989919. The reversal of 2554799989896 is 6989899974552.

2554799989896 is a `hidden beast` number, since 2 + 55 + 479 + 9 + 9 + 8 + 9 + 89 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 12838190805 + ... + 12838191003.

It is an arithmetic number, because the mean of its divisors is an integer number (7350750000).

Almost surely, 2^{2554799989896} 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 2554799989896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4704480000000).

2554799989896 is an abundant number, since it is smaller than the sum of its proper divisors (6854160010104).

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

2554799989896 is a wasteful number, since it uses less digits than its factorization.

2554799989896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397 (or 370 counting only the distinct ones).

The product of its digits is 31744742400, while the sum is 90.

The spelling of 2554799989896 in words is "two trillion, five hundred fifty-four billion, seven hundred ninety-nine million, nine hundred eighty-nine thousand, eight hundred ninety-six".