43364240 has 20 divisors (see below), whose sum is σ = 100822044. Its totient is φ = 17345664.

The previous prime is 43364239. The next prime is 43364261. The reversal of 43364240 is 4246334.

43364240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 18284176 + 25080064 = 4276^2 + 5008^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270947 + ... + 271106.

Almost surely, 2^43364240 is an apocalyptic number.

43364240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43364240 is an abundant number, since it is smaller than the sum of its proper divisors (57457804).

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

43364240 is a wasteful number, since it uses less digits than its factorization.

43364240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542066 (or 542060 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 43364240 is about 6585.1529974633. The cubic root of 43364240 is about 351.3262335432.

The spelling of 43364240 in words is "forty-three million, three hundred sixty-four thousand, two hundred forty".