43221600424144 has 20 divisors (see below), whose sum is σ = 83742101878720. Its totient is φ = 21610735423200.

The previous prime is 43221600424117. The next prime is 43221600424181. The reversal of 43221600424144 is 44142400612234.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1701919 + ... + 9451969.

It is an arithmetic number, because the mean of its divisors is an integer number (4187105093936).

Almost surely, 2^{43221600424144} is an apocalyptic number.

It is an amenable number.

43221600424144 is a deficient number, since it is larger than the sum of its proper divisors (40520501454576).

43221600424144 is a wasteful number, since it uses less digits than its factorization.

43221600424144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8098618 (or 8098612 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 37.

The spelling of 43221600424144 in words is "forty-three trillion, two hundred twenty-one billion, six hundred million, four hundred twenty-four thousand, one hundred forty-four".