43380133944 has 48 divisors (see below), whose sum is σ = 126156515400. Its totient is φ = 12394323648.

The previous prime is 43380133919. The next prime is 43380133949. The reversal of 43380133944 is 44933108334.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 43380133896 and 43380133905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43380133949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18442759 + ... + 18445110.

Almost surely, 2^43380133944 is an apocalyptic number.

It is an amenable number.

43380133944 is an abundant number, since it is smaller than the sum of its proper divisors (82776381456).

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

43380133944 is a wasteful number, since it uses less digits than its factorization.

43380133944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36887892 (or 36887881 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 42.

The spelling of 43380133944 in words is "forty-three billion, three hundred eighty million, one hundred thirty-three thousand, nine hundred forty-four".