43440970 has 16 divisors (see below), whose sum is σ = 78317928. Its totient is φ = 17348800.

The previous prime is 43440961. The next prime is 43440977. The reversal of 43440970 is 7904434.

It can be written as a sum of positive squares in 4 ways, for example, as 39275289 + 4165681 = 6267^2 + 2041^2 .

It is not an unprimeable number, because it can be changed into a prime (43440977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3912 + ... + 10108.

Almost surely, 2^43440970 is an apocalyptic number.

43440970 is a deficient number, since it is larger than the sum of its proper divisors (34876958).

43440970 is a wasteful number, since it uses less digits than its factorization.

43440970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6905.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 43440970 is about 6590.9764071797. The cubic root of 43440970 is about 351.5333272056.

The spelling of 43440970 in words is "forty-three million, four hundred forty thousand, nine hundred seventy".