2575281972450 has 192 divisors, whose sum is σ = 7392589701120. Its totient is φ = 586356864000.

The previous prime is 2575281972409. The next prime is 2575281972623. The reversal of 2575281972450 is 542791825752.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 13340115 + ... + 13531785.

It is an arithmetic number, because the mean of its divisors is an integer number (38503071360).

Almost surely, 2^{2575281972450} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2575281972450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3696294850560).

2575281972450 is an abundant number, since it is smaller than the sum of its proper divisors (4817307728670).

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

2575281972450 is a wasteful number, since it uses less digits than its factorization.

2575281972450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192193 (or 192188 counting only the distinct ones).

The product of its (nonzero) digits is 14112000, while the sum is 57.

The spelling of 2575281972450 in words is "two trillion, five hundred seventy-five billion, two hundred eighty-one million, nine hundred seventy-two thousand, four hundred fifty".