309442573482 has 32 divisors (see below), whose sum is σ = 738049370112. Its totient is φ = 84568156464.

The previous prime is 309442573471. The next prime is 309442573483. The reversal of 309442573482 is 284375244903.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (309442573483) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 160165998 + ... + 160167929.

It is an arithmetic number, because the mean of its divisors is an integer number (23064042816).

Almost surely, 2^309442573482 is an apocalyptic number.

309442573482 is an abundant number, since it is smaller than the sum of its proper divisors (428606796630).

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

309442573482 is a wasteful number, since it uses less digits than its factorization.

309442573482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320333962.

The product of its (nonzero) digits is 5806080, while the sum is 51.

The spelling of 309442573482 in words is "three hundred nine billion, four hundred forty-two million, five hundred seventy-three thousand, four hundred eighty-two".