82040038 has 4 divisors (see below), whose sum is σ = 123060060. Its totient is φ = 41020018.

The previous prime is 82040033. The next prime is 82040041. The reversal of 82040038 is 83004028.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×82040038³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 82039994 and 82040021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82040033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20510008 + ... + 20510011.

It is an arithmetic number, because the mean of its divisors is an integer number (30765015).

Almost surely, 2^82040038 is an apocalyptic number.

82040038 is a deficient number, since it is larger than the sum of its proper divisors (41020022).

82040038 is a wasteful number, since it uses less digits than its factorization.

82040038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41020021.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 82040038 is about 9057.5955970666. The cubic root of 82040038 is about 434.5188461569.

The spelling of 82040038 in words is "eighty-two million, forty thousand, thirty-eight".