82451422336 has 32 divisors (see below), whose sum is σ = 172903892400. Its totient is φ = 39055935744.

The previous prime is 82451422283. The next prime is 82451422337. The reversal of 82451422336 is 63322415428.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (82451422337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16948930 + ... + 16953793.

Almost surely, 2^82451422336 is an apocalyptic number.

It is an amenable number.

82451422336 is an abundant number, since it is smaller than the sum of its proper divisors (90452470064).

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

82451422336 is a wasteful number, since it uses less digits than its factorization.

82451422336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33902756 (or 33902744 counting only the distinct ones).

The product of its digits is 276480, while the sum is 40.

The spelling of 82451422336 in words is "eighty-two billion, four hundred fifty-one million, four hundred twenty-two thousand, three hundred thirty-six".