2521438848 has 128 divisors (see below), whose sum is σ = 7765545600. Its totient is φ = 803911680.

The previous prime is 2521438819. The next prime is 2521438873. The reversal of 2521438848 is 8488341252.

2521438848 is a `hidden beast` number, since 2 + 521 + 4 + 3 + 88 + 48 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63628 + ... + 95348.

It is an arithmetic number, because the mean of its divisors is an integer number (60668325).

Almost surely, 2^2521438848 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 2521438848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3882772800).

2521438848 is an abundant number, since it is smaller than the sum of its proper divisors (5244106752).

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

2521438848 is a wasteful number, since it uses less digits than its factorization.

2521438848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31767 (or 31749 counting only the distinct ones).

The product of its digits is 491520, while the sum is 45.

The square root of 2521438848 is about 50213.9308160594. The cubic root of 2521438848 is about 1361.0773700595.

The spelling of 2521438848 in words is "two billion, five hundred twenty-one million, four hundred thirty-eight thousand, eight hundred forty-eight".