43440036 has 24 divisors (see below), whose sum is σ = 101469984. Its totient is φ = 14464320.

The previous prime is 43440029. The next prime is 43440073. The reversal of 43440036 is 63004434.

It is a junction number, because it is equal to n+sod(n) for n = 43439988 and 43440015.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16576 + ... + 19016.

It is an arithmetic number, because the mean of its divisors is an integer number (4227916).

Almost surely, 2^43440036 is an apocalyptic number.

It is an amenable number.

43440036 is an abundant number, since it is smaller than the sum of its proper divisors (58029948).

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

43440036 is a wasteful number, since it uses less digits than its factorization.

43440036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3931 (or 3929 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 43440036 is about 6590.9055523501. The cubic root of 43440036 is about 351.5308078138.

It can be divided in two parts, 434 and 40036, that added together give a triangular number (40470 = T₂₈₄).

The spelling of 43440036 in words is "forty-three million, four hundred forty thousand, thirty-six".