2481261720 has 64 divisors (see below), whose sum is σ = 8507185920. Its totient is φ = 567145344.

The previous prime is 2481261701. The next prime is 2481261733. The reversal of 2481261720 is 271621842.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1476102 + ... + 1477781.

It is an arithmetic number, because the mean of its divisors is an integer number (132924780).

Almost surely, 2^2481261720 is an apocalyptic number.

2481261720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2481261720 is an abundant number, since it is smaller than the sum of its proper divisors (6025924200).

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

2481261720 is a wasteful number, since it uses less digits than its factorization.

2481261720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2953904 (or 2953900 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 2481261720 is about 49812.2647547770. The cubic root of 2481261720 is about 1353.8093997326.

The spelling of 2481261720 in words is "two billion, four hundred eighty-one million, two hundred sixty-one thousand, seven hundred twenty".