2538005944320 has 1920 divisors, whose sum is σ = 11587447872000. Its totient is φ = 526727577600.

The previous prime is 2538005944303. The next prime is 2538005944339. The reversal of 2538005944320 is 234495008352.

2538005944320 is a `hidden beast` number, since 2 + 5 + 38 + 0 + 0 + 594 + 4 + 3 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (1920).

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 polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 3129476715 + ... + 3129477525.

It is an arithmetic number, because the mean of its divisors is an integer number (6035129100).

Almost surely, 2^{2538005944320} is an apocalyptic number.

2538005944320 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 2538005944320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5793723936000).

2538005944320 is an abundant number, since it is smaller than the sum of its proper divisors (9049441927680).

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

2538005944320 is an equidigital number, since it uses as much as digits as its factorization.

2538005944320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882 (or 839 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 2538005944320 in words is "two trillion, five hundred thirty-eight billion, five million, nine hundred forty-four thousand, three hundred twenty".