43400044 has 6 divisors (see below), whose sum is σ = 75950084. Its totient is φ = 21700020.

The previous prime is 43399973. The next prime is 43400051. The reversal of 43400044 is 44000434.

It is a junction number, because it is equal to n+sod(n) for n = 43399994 and 43400030.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5425002 + ... + 5425009.

Almost surely, 2^43400044 is an apocalyptic number.

It is an amenable number.

43400044 is a deficient number, since it is larger than the sum of its proper divisors (32550040).

43400044 is a wasteful number, since it uses less digits than its factorization.

43400044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10850015 (or 10850013 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 43400044 is about 6587.8709762715. The cubic root of 43400044 is about 351.4228986302.

Adding to 43400044 its reverse (44000434), we get a palindrome (87400478).

The spelling of 43400044 in words is "forty-three million, four hundred thousand, forty-four".