2662481340 has 120 divisors (see below), whose sum is σ = 8418719232. Its totient is φ = 704350080.

The previous prime is 2662481303. The next prime is 2662481351. The reversal of 2662481340 is 431842662.

2662481340 is a `hidden beast` number, since 26 + 624 + 8 + 1 + 3 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2662481295 and 2662481304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 199270 + ... + 212210.

Almost surely, 2^2662481340 is an apocalyptic number.

2662481340 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 2662481340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4209359616).

2662481340 is an abundant number, since it is smaller than the sum of its proper divisors (5756237892).

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

2662481340 is a wasteful number, since it uses less digits than its factorization.

2662481340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13089 (or 13078 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 2662481340 is about 51599.2377850681. The cubic root of 2662481340 is about 1385.9966829628.

The spelling of 2662481340 in words is "two billion, six hundred sixty-two million, four hundred eighty-one thousand, three hundred forty".