80638242 has 32 divisors (see below), whose sum is σ = 179755200. Its totient is φ = 23966208.

The previous prime is 80638231. The next prime is 80638249. The reversal of 80638242 is 24283608.

It is not an unprimeable number, because it can be changed into a prime (80638249) 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, 18867 + ... + 22742.

It is an arithmetic number, because the mean of its divisors is an integer number (5617350).

Almost surely, 2^80638242 is an apocalyptic number.

80638242 is an abundant number, since it is smaller than the sum of its proper divisors (99116958).

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

80638242 is a wasteful number, since it uses less digits than its factorization.

80638242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41650.

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 80638242 is about 8979.8798432941. The cubic root of 80638242 is about 432.0297797544.

The spelling of 80638242 in words is "eighty million, six hundred thirty-eight thousand, two hundred forty-two".