2481554880 has 672 divisors, whose sum is σ = 10437912576. Its totient is φ = 549421056.

The previous prime is 2481554857. The next prime is 2481554891. The reversal of 2481554880 is 884551842.

2481554880 is a `hidden beast` number, since 2 + 481 + 55 + 48 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

It is a super-2 number, since 2×2481554880² = 12316229244903628800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 25582992 + ... + 25583088.

It is an arithmetic number, because the mean of its divisors is an integer number (15532608).

Almost surely, 2^2481554880 is an apocalyptic number.

2481554880 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 2481554880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5218956288).

2481554880 is an abundant number, since it is smaller than the sum of its proper divisors (7956357696).

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

2481554880 is an equidigital number, since it uses as much as digits as its factorization.

2481554880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 409600, while the sum is 45.

The square root of 2481554880 is about 49815.2073166418. The cubic root of 2481554880 is about 1353.8627149648.

The spelling of 2481554880 in words is "two billion, four hundred eighty-one million, five hundred fifty-four thousand, eight hundred eighty".