320012886446 has 128 divisors (see below), whose sum is σ = 578582175744. Its totient is φ = 131102737920.

The previous prime is 320012886419. The next prime is 320012886527. The reversal of 320012886446 is 644688210023.

It is a super-3 number, since 3×320012886446³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 320012886397 and 320012886406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 191968505 + ... + 191970171.

It is an arithmetic number, because the mean of its divisors is an integer number (4520173248).

Almost surely, 2^320012886446 is an apocalyptic number.

320012886446 is a deficient number, since it is larger than the sum of its proper divisors (258569289298).

320012886446 is a wasteful number, since it uses less digits than its factorization.

320012886446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1974.

The product of its (nonzero) digits is 442368, while the sum is 44.

The spelling of 320012886446 in words is "three hundred twenty billion, twelve million, eight hundred eighty-six thousand, four hundred forty-six".