40489673 has 8 divisors (see below), whose sum is σ = 47402880. Its totient is φ = 33858720.

The previous prime is 40489661. The next prime is 40489679. The reversal of 40489673 is 37698404.

40489673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 40489673 - 2⁸ = 40489417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a self number, because there is not a number n which added to its sum of digits gives 40489673.

It is not an unprimeable number, because it can be changed into a prime (40489679) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 70253 + ... + 70826.

It is an arithmetic number, because the mean of its divisors is an integer number (5925360).

Almost surely, 2^40489673 is an apocalyptic number.

It is an amenable number.

40489673 is a deficient number, since it is larger than the sum of its proper divisors (6913207).

40489673 is a wasteful number, since it uses less digits than its factorization.

40489673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141127.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 40489673 is about 6363.1496132026. The cubic root of 40489673 is about 343.3850814848.

The spelling of 40489673 in words is "forty million, four hundred eighty-nine thousand, six hundred seventy-three".