84272239820240 has 40 divisors (see below), whose sum is σ = 202253375574528. Its totient is φ = 32621512187520.

The previous prime is 84272239820239. The next prime is 84272239820299. The reversal of 84272239820240 is 4202893227248.

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 an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16990368452 + ... + 16990373411.

Almost surely, 2^{84272239820240} is an apocalyptic number.

84272239820240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

84272239820240 is an abundant number, since it is smaller than the sum of its proper divisors (117981135754288).

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

84272239820240 is a wasteful number, since it uses less digits than its factorization.

84272239820240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33980741907 (or 33980741901 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 53.

The spelling of 84272239820240 in words is "eighty-four trillion, two hundred seventy-two billion, two hundred thirty-nine million, eight hundred twenty thousand, two hundred forty".