82442090072 has 16 divisors (see below), whose sum is σ = 154582645560. Its totient is φ = 41220051264.

The previous prime is 82442090057. The next prime is 82442090131. The reversal of 82442090072 is 27009024428.

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, 323108 + ... + 518924.

Almost surely, 2^82442090072 is an apocalyptic number.

It is an amenable number.

82442090072 is a deficient number, since it is larger than the sum of its proper divisors (72140555488).

82442090072 is a wasteful number, since it uses less digits than its factorization.

82442090072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248450 (or 248446 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The spelling of 82442090072 in words is "eighty-two billion, four hundred forty-two million, ninety thousand, seventy-two".