82360390040 has 16 divisors (see below), whose sum is σ = 185310877680. Its totient is φ = 32944156000.

The previous prime is 82360390027. The next prime is 82360390061. The reversal of 82360390040 is 4009306328.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1029504836 + ... + 1029504915.

It is an arithmetic number, because the mean of its divisors is an integer number (11581929855).

Almost surely, 2^82360390040 is an apocalyptic number.

It is an amenable number.

82360390040 is an abundant number, since it is smaller than the sum of its proper divisors (102950487640).

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

82360390040 is a wasteful number, since it uses less digits than its factorization.

82360390040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2059009762 (or 2059009758 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

Adding to 82360390040 its reverse (4009306328), we get a palindrome (86369696368).

The spelling of 82360390040 in words is "eighty-two billion, three hundred sixty million, three hundred ninety thousand, forty".