43940993232 has 40 divisors (see below), whose sum is σ = 115656017184. Its totient is φ = 14370638464.

The previous prime is 43940993153. The next prime is 43940993233. The reversal of 43940993232 is 23239904934.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43940993233) 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, 8633658 + ... + 8638745.

Almost surely, 2^43940993232 is an apocalyptic number.

It is an amenable number.

43940993232 is an abundant number, since it is smaller than the sum of its proper divisors (71715023952).

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

43940993232 is a wasteful number, since it uses less digits than its factorization.

43940993232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17272467 (or 17272461 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 48.

The spelling of 43940993232 in words is "forty-three billion, nine hundred forty million, nine hundred ninety-three thousand, two hundred thirty-two".