2521445472 has 576 divisors, whose sum is σ = 9510359040. Its totient is φ = 615555072.

The previous prime is 2521445467. The next prime is 2521445489. The reversal of 2521445472 is 2745441252.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 28330804 + ... + 28330892.

It is an arithmetic number, because the mean of its divisors is an integer number (16511040).

Almost surely, 2^2521445472 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 2521445472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4755179520).

2521445472 is an abundant number, since it is smaller than the sum of its proper divisors (6988913568).

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

2521445472 is a wasteful number, since it uses less digits than its factorization.

2521445472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195 (or 184 counting only the distinct ones).

The product of its digits is 89600, while the sum is 36.

The square root of 2521445472 is about 50213.9967738080. The cubic root of 2521445472 is about 1361.0785619410.

The spelling of 2521445472 in words is "two billion, five hundred twenty-one million, four hundred forty-five thousand, four hundred seventy-two".