82642444 has 6 divisors (see below), whose sum is σ = 144624284. Its totient is φ = 41321220.

The previous prime is 82642411. The next prime is 82642459. The reversal of 82642444 is 44424628.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10330302 + ... + 10330309.

Almost surely, 2^82642444 is an apocalyptic number.

It is an amenable number.

82642444 is a deficient number, since it is larger than the sum of its proper divisors (61981840).

82642444 is a wasteful number, since it uses less digits than its factorization.

82642444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20660615 (or 20660613 counting only the distinct ones).

The product of its digits is 49152, while the sum is 34.

The square root of 82642444 is about 9090.7889646609. The cubic root of 82642444 is about 435.5797861923.

The spelling of 82642444 in words is "eighty-two million, six hundred forty-two thousand, four hundred forty-four".