2521460816 has 180 divisors, whose sum is σ = 6139830240. Its totient is φ = 999734400.

The previous prime is 2521460783. The next prime is 2521460827. The reversal of 2521460816 is 6180641252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 16698341 + ... + 16698491.

It is an arithmetic number, because the mean of its divisors is an integer number (34110168).

Almost surely, 2^2521460816 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 2521460816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3069915120).

2521460816 is an abundant number, since it is smaller than the sum of its proper divisors (3618369424).

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

2521460816 is a wasteful number, since it uses less digits than its factorization.

2521460816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 2521460816 is about 50214.1495596610. The cubic root of 2521460816 is about 1361.0813228371.

The spelling of 2521460816 in words is "two billion, five hundred twenty-one million, four hundred sixty thousand, eight hundred sixteen".