82444040 has 64 divisors (see below), whose sum is σ = 223171200. Its totient is φ = 26777088.

The previous prime is 82444039. The next prime is 82444051. The reversal of 82444040 is 4044428.

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, 2429 + ... + 13068.

It is an arithmetic number, because the mean of its divisors is an integer number (3487050).

Almost surely, 2^82444040 is an apocalyptic number.

It is an amenable number.

82444040 is an abundant number, since it is smaller than the sum of its proper divisors (140727160).

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

82444040 is a wasteful number, since it uses less digits than its factorization.

82444040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15534 (or 15530 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

The square root of 82444040 is about 9079.8700431229. The cubic root of 82444040 is about 435.2309338820.

Adding to 82444040 its reverse (4044428), we get a palindrome (86488468).

The spelling of 82444040 in words is "eighty-two million, four hundred forty-four thousand, forty".