82548240 has 40 divisors (see below), whose sum is σ = 255900288. Its totient is φ = 22012800.

The previous prime is 82548199. The next prime is 82548241. The reversal of 82548240 is 4284528.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82548241) 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, 171736 + ... + 172215.

Almost surely, 2^82548240 is an apocalyptic number.

82548240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

82548240 is an abundant number, since it is smaller than the sum of its proper divisors (173352048).

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

82548240 is a wasteful number, since it uses less digits than its factorization.

82548240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343967 (or 343961 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 33.

The square root of 82548240 is about 9085.6061988180. The cubic root of 82548240 is about 435.4142176807.

The spelling of 82548240 in words is "eighty-two million, five hundred forty-eight thousand, two hundred forty".