43401034044 has 18 divisors (see below), whose sum is σ = 109708169480. Its totient is φ = 14467011336.

The previous prime is 43401034037. The next prime is 43401034057. The reversal of 43401034044 is 44043010434.

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 43401033999 and 43401034017.

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 5 ways as a sum of consecutive naturals, for example, 602792104 + ... + 602792175.

Almost surely, 2^43401034044 is an apocalyptic number.

It is an amenable number.

43401034044 is an abundant number, since it is smaller than the sum of its proper divisors (66307135436).

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

43401034044 is a wasteful number, since it uses less digits than its factorization.

43401034044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1205584289 (or 1205584284 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 43401034044 its reverse (44043010434), we get a palindrome (87444044478).

The spelling of 43401034044 in words is "forty-three billion, four hundred one million, thirty-four thousand, forty-four".