3081744390 has 32 divisors (see below), whose sum is σ = 7415525376. Its totient is φ = 819649760.

The previous prime is 3081744359. The next prime is 3081744403. The reversal of 3081744390 is 934471803.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 122616 + ... + 145595.

It is an arithmetic number, because the mean of its divisors is an integer number (231735168).

Almost surely, 2^3081744390 is an apocalyptic number.

3081744390 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3081744390 is an abundant number, since it is smaller than the sum of its proper divisors (4333780986).

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

3081744390 is a wasteful number, since it uses less digits than its factorization.

3081744390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268604.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 3081744390 is about 55513.4613404713. The cubic root of 3081744390 is about 1455.2318946413.

The spelling of 3081744390 in words is "three billion, eighty-one million, seven hundred forty-four thousand, three hundred ninety".