43947226736 has 20 divisors (see below), whose sum is σ = 97311716592. Its totient is φ = 18834525696.

The previous prime is 43947226717. The next prime is 43947226753. The reversal of 43947226736 is 63762274934.

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, 196192865 + ... + 196193088.

Almost surely, 2^43947226736 is an apocalyptic number.

It is an amenable number.

43947226736 is an abundant number, since it is smaller than the sum of its proper divisors (53364489856).

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

43947226736 is a wasteful number, since it uses less digits than its factorization.

43947226736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392385968 (or 392385962 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 53.

The spelling of 43947226736 in words is "forty-three billion, nine hundred forty-seven million, two hundred twenty-six thousand, seven hundred thirty-six".