40360989 has 8 divisors (see below), whose sum is σ = 53854240. Its totient is φ = 26887536.

The previous prime is 40360987. The next prime is 40361017. The reversal of 40360989 is 98906304.

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

It is not a de Polignac number, because 40360989 - 2¹ = 40360987 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40360987) 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, 747 + ... + 9015.

It is an arithmetic number, because the mean of its divisors is an integer number (6731780).

Almost surely, 2^40360989 is an apocalyptic number.

It is an amenable number.

40360989 is a deficient number, since it is larger than the sum of its proper divisors (13493251).

40360989 is a wasteful number, since it uses less digits than its factorization.

40360989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9899.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 40360989 is about 6353.0299070601. The cubic root of 40360989 is about 343.0209140463.

The spelling of 40360989 in words is "forty million, three hundred sixty thousand, nine hundred eighty-nine".