2521447488 has 336 divisors, whose sum is σ = 8740079040. Its totient is φ = 710664192.

The previous prime is 2521447483. The next prime is 2521447501. The reversal of 2521447488 is 8847441252.

2521447488 is a `hidden beast` number, since 2 + 521 + 4 + 47 + 4 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

It is not an unprimeable number, because it can be changed into a prime (2521447483) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8213031 + ... + 8213337.

It is an arithmetic number, because the mean of its divisors is an integer number (26012140).

Almost surely, 2^2521447488 is an apocalyptic number.

2521447488 is a gapful number since it is divisible by the number (28) 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 2521447488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4370039520).

2521447488 is an abundant number, since it is smaller than the sum of its proper divisors (6218631552).

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

2521447488 is a wasteful number, since it uses less digits than its factorization.

2521447488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439 (or 416 counting only the distinct ones).

The product of its digits is 573440, while the sum is 45.

The square root of 2521447488 is about 50214.0168478882. The cubic root of 2521447488 is about 1361.0789246871.

The spelling of 2521447488 in words is "two billion, five hundred twenty-one million, four hundred forty-seven thousand, four hundred eighty-eight".