82530444 has 48 divisors (see below), whose sum is σ = 205456608. Its totient is φ = 25694208.

The previous prime is 82530421. The next prime is 82530451. The reversal of 82530444 is 44403528.

It is a super-2 number, since 2×82530444² = 13622548373674272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26472 + ... + 29424.

It is an arithmetic number, because the mean of its divisors is an integer number (4280346).

Almost surely, 2^82530444 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 82530444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102728304).

82530444 is an abundant number, since it is smaller than the sum of its proper divisors (122926164).

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

82530444 is a wasteful number, since it uses less digits than its factorization.

82530444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3114 (or 3112 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 82530444 is about 9084.6267947561. The cubic root of 82530444 is about 435.3829261259.

The spelling of 82530444 in words is "eighty-two million, five hundred thirty thousand, four hundred forty-four".