3081473440 has 24 divisors (see below), whose sum is σ = 7279981380. Its totient is φ = 1232589312.

The previous prime is 3081473411. The next prime is 3081473441. The reversal of 3081473440 is 443741803.

It can be written as a sum of positive squares in 2 ways, for example, as 2543790096 + 537683344 = 50436^2 + 23188^2 .

It is a super-2 number, since 2×3081473440² = 18990957122850867200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3081473396 and 3081473405.

It is not an unprimeable number, because it can be changed into a prime (3081473441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9629445 + ... + 9629764.

Almost surely, 2^3081473440 is an apocalyptic number.

It is an amenable number.

3081473440 is an abundant number, since it is smaller than the sum of its proper divisors (4198507940).

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

3081473440 is a wasteful number, since it uses less digits than its factorization.

3081473440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19259224 (or 19259216 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 3081473440 is about 55511.0208877480. The cubic root of 3081473440 is about 1455.1892449179.

The spelling of 3081473440 in words is "three billion, eighty-one million, four hundred seventy-three thousand, four hundred forty".