2521069888 has 112 divisors (see below), whose sum is σ = 5292693504. Its totient is φ = 1190246400.

The previous prime is 2521069849. The next prime is 2521069913. The reversal of 2521069888 is 8889601252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19850881 + ... + 19851007.

It is an arithmetic number, because the mean of its divisors is an integer number (47256192).

Almost surely, 2^2521069888 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 2521069888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2646346752).

2521069888 is an abundant number, since it is smaller than the sum of its proper divisors (2771623616).

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

2521069888 is a wasteful number, since it uses less digits than its factorization.

2521069888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360 (or 350 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 49.

The square root of 2521069888 is about 50210.2568007773. The cubic root of 2521069888 is about 1361.0109783902.

The spelling of 2521069888 in words is "two billion, five hundred twenty-one million, sixty-nine thousand, eight hundred eighty-eight".