8081542446 has 16 divisors (see below), whose sum is σ = 16164048000. Its totient is φ = 2693686968.

The previous prime is 8081542429. The next prime is 8081542459. The reversal of 8081542446 is 6442451808.

It is a super-2 number, since 2×8081542446² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8081542398 and 8081542407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115215 + ... + 171573.

It is an arithmetic number, because the mean of its divisors is an integer number (1010253000).

Almost surely, 2^8081542446 is an apocalyptic number.

8081542446 is an abundant number, since it is smaller than the sum of its proper divisors (8082505554).

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

8081542446 is a wasteful number, since it uses less digits than its factorization.

8081542446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80263.

The product of its (nonzero) digits is 245760, while the sum is 42.

The square root of 8081542446 is about 89897.3995508213. The cubic root of 8081542446 is about 2006.7722462903.

The spelling of 8081542446 in words is "eight billion, eighty-one million, five hundred forty-two thousand, four hundred forty-six".