82441940 has 24 divisors (see below), whose sum is σ = 197860992. Its totient is φ = 28265760.

The previous prime is 82441907. The next prime is 82441943. The reversal of 82441940 is 4914428.

It is a junction number, because it is equal to n+sod(n) for n = 82441897 and 82441906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82441943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294296 + ... + 294575.

It is an arithmetic number, because the mean of its divisors is an integer number (8244208).

Almost surely, 2^82441940 is an apocalyptic number.

It is an amenable number.

82441940 is an abundant number, since it is smaller than the sum of its proper divisors (115419052).

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

82441940 is a wasteful number, since it uses less digits than its factorization.

82441940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588887 (or 588885 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 82441940 is about 9079.7544019648. The cubic root of 82441940 is about 435.2272384755.

The spelling of 82441940 in words is "eighty-two million, four hundred forty-one thousand, nine hundred forty".