581368492 has 12 divisors (see below), whose sum is σ = 1017565416. Its totient is φ = 290635520.

The previous prime is 581368453. The next prime is 581368507. The reversal of 581368492 is 294863185.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34767 + ... + 48697.

It is an arithmetic number, because the mean of its divisors is an integer number (84797118).

Almost surely, 2^581368492 is an apocalyptic number.

It is an amenable number.

581368492 is a deficient number, since it is larger than the sum of its proper divisors (436196924).

581368492 is a wasteful number, since it uses less digits than its factorization.

581368492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24368 (or 24366 counting only the distinct ones).

The product of its digits is 414720, while the sum is 46.

The square root of 581368492 is about 24111.5841868592. The cubic root of 581368492 is about 834.6104734115.

It can be divided in two parts, 5813 and 68492, that added together give a triangular number (74305 = T₃₈₅).

The spelling of 581368492 in words is "five hundred eighty-one million, three hundred sixty-eight thousand, four hundred ninety-two".