2521872320 has 224 divisors, whose sum is σ = 6854049792. Its totient is φ = 882816000.

The previous prime is 2521872281. The next prime is 2521872343. The reversal of 2521872320 is 232781252.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13203425 + ... + 13203615.

Almost surely, 2^2521872320 is an apocalyptic number.

2521872320 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 2521872320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3427024896).

2521872320 is an abundant number, since it is smaller than the sum of its proper divisors (4332177472).

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

2521872320 is a wasteful number, since it uses less digits than its factorization.

2521872320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 2521872320 is about 50218.2468829807. The cubic root of 2521872320 is about 1361.1553619204.

The spelling of 2521872320 in words is "two billion, five hundred twenty-one million, eight hundred seventy-two thousand, three hundred twenty".