40759609 has 8 divisors (see below), whose sum is σ = 45092160. Its totient is φ = 36531600.

The previous prime is 40759603. The next prime is 40759613. The reversal of 40759609 is 90695704.

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 40759609 - 2⁹ = 40759097 is a prime.

It is a super-2 number, since 2×40759609² = 3322691451665762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40759603) 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, 25314 + ... + 26875.

It is an arithmetic number, because the mean of its divisors is an integer number (5636520).

Almost surely, 2^40759609 is an apocalyptic number.

It is an amenable number.

40759609 is a deficient number, since it is larger than the sum of its proper divisors (4332551).

40759609 is a wasteful number, since it uses less digits than its factorization.

40759609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52271.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 40759609 is about 6384.3252580050. The cubic root of 40759609 is about 344.1464836082.

The spelling of 40759609 in words is "forty million, seven hundred fifty-nine thousand, six hundred nine".