320061454145432 has 96 divisors (see below), whose sum is σ = 646010699340720. Its totient is φ = 148614020628480.

The previous prime is 320061454145423. The next prime is 320061454145437. The reversal of 320061454145432 is 234541454160023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320061454145437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72075548 + ... + 76387220.

Almost surely, 2^{320061454145432} is an apocalyptic number.

It is an amenable number.

320061454145432 is an abundant number, since it is smaller than the sum of its proper divisors (325949245195288).

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

320061454145432 is a wasteful number, since it uses less digits than its factorization.

320061454145432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4312141 (or 4312120 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 44.

The spelling of 320061454145432 in words is "three hundred twenty trillion, sixty-one billion, four hundred fifty-four million, one hundred forty-five thousand, four hundred thirty-two".