82040010 has 32 divisors (see below), whose sum is σ = 212042880. Its totient is φ = 20194368.

The previous prime is 82039987. The next prime is 82040017. The reversal of 82040010 is 1004028.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (82040017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104790 + ... + 105569.

It is an arithmetic number, because the mean of its divisors is an integer number (6626340).

Almost surely, 2^82040010 is an apocalyptic number.

82040010 is an abundant number, since it is smaller than the sum of its proper divisors (130002870).

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

82040010 is a wasteful number, since it uses less digits than its factorization.

82040010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210382.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 82040010 is about 9057.5940514024. The cubic root of 82040010 is about 434.5187967236.

Adding to 82040010 its reverse (1004028), we get a palindrome (83044038).

The spelling of 82040010 in words is "eighty-two million, forty thousand, ten".