8089391442 has 32 divisors (see below), whose sum is σ = 17665081344. Its totient is φ = 2449178000.

The previous prime is 8089391407. The next prime is 8089391447. The reversal of 8089391442 is 2441939808.

It is a junction number, because it is equal to n+sod(n) for n = 8089391391 and 8089391400.

It is not an unprimeable number, because it can be changed into a prime (8089391447) 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, 22723 + ... + 129209.

It is an arithmetic number, because the mean of its divisors is an integer number (552033792).

Almost surely, 2^8089391442 is an apocalyptic number.

8089391442 is an abundant number, since it is smaller than the sum of its proper divisors (9575689902).

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

8089391442 is a wasteful number, since it uses less digits than its factorization.

8089391442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107654.

The product of its (nonzero) digits is 497664, while the sum is 48.

The square root of 8089391442 is about 89941.0442567797. The cubic root of 8089391442 is about 2007.4217118631.

The spelling of 8089391442 in words is "eight billion, eighty-nine million, three hundred ninety-one thousand, four hundred forty-two".