82543229140 has 48 divisors (see below), whose sum is σ = 178352254080. Its totient is φ = 32071213440.

The previous prime is 82543229137. The next prime is 82543229179. The reversal of 82543229140 is 4192234528.

It is a junction number, because it is equal to n+sod(n) for n = 82543229093 and 82543229102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109480 + ... + 420799.

It is an arithmetic number, because the mean of its divisors is an integer number (3715671960).

Almost surely, 2^82543229140 is an apocalyptic number.

It is an amenable number.

82543229140 is an abundant number, since it is smaller than the sum of its proper divisors (95809024940).

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

82543229140 is a wasteful number, since it uses less digits than its factorization.

82543229140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530512 (or 530510 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 82543229140 in words is "eighty-two billion, five hundred forty-three million, two hundred twenty-nine thousand, one hundred forty".