80189124642 has 24 divisors (see below), whose sum is σ = 189537931440. Its totient is φ = 24299734680.

The previous prime is 80189124619. The next prime is 80189124649. The reversal of 80189124642 is 24642198108.

80189124642 is a `hidden beast` number, since 8 + 0 + 189 + 1 + 2 + 464 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (80189124649) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 202497592 + ... + 202497987.

It is an arithmetic number, because the mean of its divisors is an integer number (7897413810).

Almost surely, 2^80189124642 is an apocalyptic number.

80189124642 is an abundant number, since it is smaller than the sum of its proper divisors (109348806798).

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

80189124642 is a wasteful number, since it uses less digits than its factorization.

80189124642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404995598 (or 404995595 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The spelling of 80189124642 in words is "eighty billion, one hundred eighty-nine million, one hundred twenty-four thousand, six hundred forty-two".