82946512140 has 48 divisors (see below), whose sum is σ = 239742182400. Its totient is φ = 21405551040.

The previous prime is 82946512127. The next prime is 82946512147. The reversal of 82946512140 is 4121564928.

It is a junction number, because it is equal to n+sod(n) for n = 82946512092 and 82946512101.

It is not an unprimeable number, because it can be changed into a prime (82946512147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22295590 + ... + 22299309.

It is an arithmetic number, because the mean of its divisors is an integer number (4994628800).

Almost surely, 2^82946512140 is an apocalyptic number.

It is an amenable number.

82946512140 is an abundant number, since it is smaller than the sum of its proper divisors (156795670260).

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

82946512140 is a wasteful number, since it uses less digits than its factorization.

82946512140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44594942 (or 44594940 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The spelling of 82946512140 in words is "eighty-two billion, nine hundred forty-six million, five hundred twelve thousand, one hundred forty".