2481680 has 40 divisors (see below), whose sum is σ = 5868672. Its totient is φ = 975744.

The previous prime is 2481653. The next prime is 2481697. The reversal of 2481680 is 861842.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5129 + ... + 5591.

2^2481680 is an apocalyptic number.

2481680 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 2481680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2934336).

2481680 is an abundant number, since it is smaller than the sum of its proper divisors (3386992).

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

2481680 is a wasteful number, since it uses less digits than its factorization.

2481680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543 (or 537 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 2481680 is about 1575.3348850324. The cubic root of 2481680 is about 135.3885468502.

The spelling of 2481680 in words is "two million, four hundred eighty-one thousand, six hundred eighty".