40489223 has 8 divisors (see below), whose sum is σ = 44735328. Its totient is φ = 36450304.

The previous prime is 40489217. The next prime is 40489237. The reversal of 40489223 is 32298404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40489223 - 2¹⁶ = 40423687 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40489223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40489243) 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, 51386 + ... + 52167.

It is an arithmetic number, because the mean of its divisors is an integer number (5591916).

Almost surely, 2^40489223 is an apocalyptic number.

40489223 is a deficient number, since it is larger than the sum of its proper divisors (4246105).

40489223 is a wasteful number, since it uses less digits than its factorization.

40489223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103593.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 40489223 is about 6363.1142532568. The cubic root of 40489223 is about 343.3838093591.

The spelling of 40489223 in words is "forty million, four hundred eighty-nine thousand, two hundred twenty-three".