2461521280 has 32 divisors (see below), whose sum is σ = 5884575840. Its totient is φ = 984608256.

The previous prime is 2461521259. The next prime is 2461521299. The reversal of 2461521280 is 821251642.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1922424 + ... + 1923703.

It is an arithmetic number, because the mean of its divisors is an integer number (183892995).

Almost surely, 2^2461521280 is an apocalyptic number.

2461521280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2461521280 is an abundant number, since it is smaller than the sum of its proper divisors (3423054560).

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

2461521280 is an equidigital number, since it uses as much as digits as its factorization.

2461521280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3846146 (or 3846134 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 2461521280 is about 49613.7206828917. The cubic root of 2461521280 is about 1350.2096208560.

The spelling of 2461521280 in words is "two billion, four hundred sixty-one million, five hundred twenty-one thousand, two hundred eighty".