40489039 has 8 divisors (see below), whose sum is σ = 42337152. Its totient is φ = 38648280.

The previous prime is 40489027. The next prime is 40489049. The reversal of 40489039 is 93098404.

40489039 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 40489039 - 2⁷ = 40488911 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40488989 and 40489007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40489049) 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, 11592 + ... + 14674.

It is an arithmetic number, because the mean of its divisors is an integer number (5292144).

Almost surely, 2^40489039 is an apocalyptic number.

40489039 is a deficient number, since it is larger than the sum of its proper divisors (1848113).

40489039 is a wasteful number, since it uses less digits than its factorization.

40489039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3677.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 40489039 is about 6363.0997949113. The cubic root of 40489039 is about 343.3832891983.

The spelling of 40489039 in words is "forty million, four hundred eighty-nine thousand, thirty-nine".