2478491732 has 24 divisors (see below), whose sum is σ = 4427815560. Its totient is φ = 1213580160.

The previous prime is 2478491711. The next prime is 2478491747. The reversal of 2478491732 is 2371948742.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 836135056 + 1642356676 = 28916^2 + 40526^2 .

It is a super-2 number, since 2×2478491732² = 12285842531184719648, which contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 33698 + ... + 78054.

It is an arithmetic number, because the mean of its divisors is an integer number (184492315).

Almost surely, 2^2478491732 is an apocalyptic number.

It is an amenable number.

2478491732 is a deficient number, since it is larger than the sum of its proper divisors (1949323828).

2478491732 is a wasteful number, since it uses less digits than its factorization.

2478491732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44651 (or 44649 counting only the distinct ones).

The product of its digits is 677376, while the sum is 47.

The square root of 2478491732 is about 49784.4527136736. The cubic root of 2478491732 is about 1353.3054313827.

The spelling of 2478491732 in words is "two billion, four hundred seventy-eight million, four hundred ninety-one thousand, seven hundred thirty-two".