319026042 has 48 divisors (see below), whose sum is σ = 716943240. Its totient is φ = 102404736.

The previous prime is 319026023. The next prime is 319026047. The reversal of 319026042 is 240620913.

It can be written as a sum of positive squares in 4 ways, for example, as 233814681 + 85211361 = 15291^2 + 9231^2 .

It is a junction number, because it is equal to n+sod(n) for n = 319025997 and 319026015.

It is not an unprimeable number, because it can be changed into a prime (319026047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 319488 + ... + 320484.

Almost surely, 2^319026042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 319026042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (358471620).

319026042 is an abundant number, since it is smaller than the sum of its proper divisors (397917198).

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

319026042 is a wasteful number, since it uses less digits than its factorization.

319026042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1647 (or 1644 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 319026042 is about 17861.3001206519. The cubic root of 319026042 is about 683.2957381392.

Adding to 319026042 its reverse (240620913), we get a palindrome (559646955).

The spelling of 319026042 in words is "three hundred nineteen million, twenty-six thousand, forty-two".