2558391091200 has 1944 divisors, whose sum is σ = 11516000710032. Its totient is φ = 550376570880.

The previous prime is 2558391091181. The next prime is 2558391091247. The reversal of 2558391091200 is 21901938552.

2558391091200 is a `hidden beast` number, since 2 + 5 + 58 + 391 + 0 + 9 + 1 + 200 = 666.

It is a tau number, because it is divible by the number of its divisors (1944).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 150493593592 + ... + 150493593608.

It is an arithmetic number, because the mean of its divisors is an integer number (5923868678).

Almost surely, 2^{2558391091200} is an apocalyptic number.

2558391091200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2558391091200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5758000355016).

2558391091200 is an abundant number, since it is smaller than the sum of its proper divisors (8957609618832).

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

2558391091200 is an frugal number, since it uses more digits than its factorization.

2558391091200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92 (or 34 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 45.

The spelling of 2558391091200 in words is "two trillion, five hundred fifty-eight billion, three hundred ninety-one million, ninety-one thousand, two hundred".