43422985536 has 56 divisors (see below), whose sum is σ = 131302841280. Its totient is φ = 12406566912.

The previous prime is 43422985519. The next prime is 43422985537. The reversal of 43422985536 is 63558922434.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43422985537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16153041 + ... + 16155728.

Almost surely, 2^43422985536 is an apocalyptic number.

It is an amenable number.

43422985536 is an abundant number, since it is smaller than the sum of its proper divisors (87879855744).

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

43422985536 is a wasteful number, since it uses less digits than its factorization.

43422985536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32308791 (or 32308781 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 51.

The spelling of 43422985536 in words is "forty-three billion, four hundred twenty-two million, nine hundred eighty-five thousand, five hundred thirty-six".