82425366420 has 48 divisors (see below), whose sum is σ = 242937925440. Its totient is φ = 20823250176.

The previous prime is 82425366343. The next prime is 82425366421. The reversal of 82425366420 is 2466352428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82425366421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36150337 + ... + 36152616.

It is an arithmetic number, because the mean of its divisors is an integer number (5061206780).

Almost surely, 2^82425366420 is an apocalyptic number.

It is an amenable number.

82425366420 is an abundant number, since it is smaller than the sum of its proper divisors (160512559020).

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

82425366420 is a wasteful number, since it uses less digits than its factorization.

82425366420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72302984 (or 72302982 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 42.

The spelling of 82425366420 in words is "eighty-two billion, four hundred twenty-five million, three hundred sixty-six thousand, four hundred twenty".