40589779 has 12 divisors (see below), whose sum is σ = 43025328. Its totient is φ = 38218400.

The previous prime is 40589749. The next prime is 40589803. The reversal of 40589779 is 97798504.

It is a happy number.

It is not a de Polignac number, because 40589779 - 2⁷ = 40589651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40589729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 234537 + ... + 234709.

It is an arithmetic number, because the mean of its divisors is an integer number (3585444).

Almost surely, 2^40589779 is an apocalyptic number.

40589779 is a deficient number, since it is larger than the sum of its proper divisors (2435549).

40589779 is a wasteful number, since it uses less digits than its factorization.

40589779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398 (or 297 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 49.

The square root of 40589779 is about 6371.0108303157. The cubic root of 40589779 is about 343.6678417868.

The spelling of 40589779 in words is "forty million, five hundred eighty-nine thousand, seven hundred seventy-nine".