2521377320 has 192 divisors, whose sum is σ = 7291166400. Its totient is φ = 775864320.

The previous prime is 2521377319. The next prime is 2521377337. The reversal of 2521377320 is 237731252.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1788776 + ... + 1790184.

It is an arithmetic number, because the mean of its divisors is an integer number (37974825).

Almost surely, 2^2521377320 is an apocalyptic number.

2521377320 is a gapful number since it is divisible by the number (20) 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 2521377320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3645583200).

2521377320 is an abundant number, since it is smaller than the sum of its proper divisors (4769789080).

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

2521377320 is a wasteful number, since it uses less digits than its factorization.

2521377320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1528 (or 1517 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 2521377320 is about 50213.3181536532. The cubic root of 2521377320 is about 1361.0662989933.

The spelling of 2521377320 in words is "two billion, five hundred twenty-one million, three hundred seventy-seven thousand, three hundred twenty".