82440267 has 16 divisors (see below), whose sum is σ = 135287040. Its totient is φ = 43484832.

The previous prime is 82440263. The next prime is 82440269. The reversal of 82440267 is 76204428.

It is not a de Polignac number, because 82440267 - 2² = 82440263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82440263) 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, 150717 + ... + 151262.

It is an arithmetic number, because the mean of its divisors is an integer number (8455440).

Almost surely, 2^82440267 is an apocalyptic number.

82440267 is a deficient number, since it is larger than the sum of its proper divisors (52846773).

82440267 is a wasteful number, since it uses less digits than its factorization.

82440267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302002.

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 82440267 is about 9079.6622734549. The cubic root of 82440267 is about 435.2242944234.

The spelling of 82440267 in words is "eighty-two million, four hundred forty thousand, two hundred sixty-seven".