40433069 has 4 divisors (see below), whose sum is σ = 40944960. Its totient is φ = 39921180.

The previous prime is 40433051. The next prime is 40433077. The reversal of 40433069 is 96033404.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40433069 is a prime.

It is a super-2 number, since 2×40433069² = 3269666137517522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40433369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255827 + ... + 255984.

It is an arithmetic number, because the mean of its divisors is an integer number (10236240).

Almost surely, 2^40433069 is an apocalyptic number.

It is an amenable number.

40433069 is a deficient number, since it is larger than the sum of its proper divisors (511891).

40433069 is an equidigital number, since it uses as much as digits as its factorization.

40433069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511890.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 40433069 is about 6358.7002602733. The cubic root of 40433069 is about 343.2249910033.

The spelling of 40433069 in words is "forty million, four hundred thirty-three thousand, sixty-nine".