43608336816 has 40 divisors (see below), whose sum is σ = 122896223424. Its totient is φ = 13214647360.

The previous prime is 43608336719. The next prime is 43608336823. The reversal of 43608336816 is 61863380634.

It is a happy number.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41295246 + ... + 41296301.

Almost surely, 2^43608336816 is an apocalyptic number.

It is an amenable number.

43608336816 is an abundant number, since it is smaller than the sum of its proper divisors (79287886608).

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

43608336816 is a wasteful number, since it uses less digits than its factorization.

43608336816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82591569 (or 82591563 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 48.

The spelling of 43608336816 in words is "forty-three billion, six hundred eight million, three hundred thirty-six thousand, eight hundred sixteen".