581045412 has 96 divisors (see below), whose sum is σ = 1461132288. Its totient is φ = 179270784.

The previous prime is 581045383. The next prime is 581045453. The reversal of 581045412 is 214540185.

It is a super-2 number, since 2×581045412² = 675227541612499488, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 581045412.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2053023 + ... + 2053305.

It is an arithmetic number, because the mean of its divisors is an integer number (15220128).

Almost surely, 2^581045412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 581045412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (730566144).

581045412 is an abundant number, since it is smaller than the sum of its proper divisors (880086876).

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

581045412 is a wasteful number, since it uses less digits than its factorization.

581045412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529 (or 527 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 581045412 is about 24104.8835715919. The cubic root of 581045412 is about 834.4558406095.

Adding to 581045412 its reverse (214540185), we get a palindrome (795585597).

The spelling of 581045412 in words is "five hundred eighty-one million, forty-five thousand, four hundred twelve".