43722944124 has 12 divisors (see below), whose sum is σ = 102020202984. Its totient is φ = 14574314704.

The previous prime is 43722944093. The next prime is 43722944149. The reversal of 43722944124 is 42144922734.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×43722944124² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1821789327 + ... + 1821789350.

It is an arithmetic number, because the mean of its divisors is an integer number (8501683582).

Almost surely, 2^43722944124 is an apocalyptic number.

It is an amenable number.

43722944124 is an abundant number, since it is smaller than the sum of its proper divisors (58297258860).

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

43722944124 is a wasteful number, since it uses less digits than its factorization.

43722944124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3643578684 (or 3643578682 counting only the distinct ones).

The product of its digits is 387072, while the sum is 42.

The spelling of 43722944124 in words is "forty-three billion, seven hundred twenty-two million, nine hundred forty-four thousand, one hundred twenty-four".