386443869546 has 128 divisors (see below), whose sum is σ = 938843136000. Its totient is φ = 103716071424.

The previous prime is 386443869481. The next prime is 386443869599. The reversal of 386443869546 is 645968344683.

It is a super-2 number, since 2×386443869546² (a number of 24 digits) contains 22 as substring.

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, 6942895 + ... + 6998333.

It is an arithmetic number, because the mean of its divisors is an integer number (7334712000).

Almost surely, 2^386443869546 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 386443869546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (469421568000).

386443869546 is an abundant number, since it is smaller than the sum of its proper divisors (552399266454).

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

386443869546 is a wasteful number, since it uses less digits than its factorization.

386443869546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55636.

The product of its digits is 358318080, while the sum is 66.

The spelling of 386443869546 in words is "three hundred eighty-six billion, four hundred forty-three million, eight hundred sixty-nine thousand, five hundred forty-six".