40798559 has 8 divisors (see below), whose sum is σ = 41611920. Its totient is φ = 39989376.

The previous prime is 40798553. The next prime is 40798561. The reversal of 40798559 is 95589704.

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 40798559 - 2²⁴ = 24021343 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 (40798553) 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, 24749 + ... + 26345.

It is an arithmetic number, because the mean of its divisors is an integer number (5201490).

Almost surely, 2^40798559 is an apocalyptic number.

40798559 is a deficient number, since it is larger than the sum of its proper divisors (813361).

40798559 is a wasteful number, since it uses less digits than its factorization.

40798559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2089.

The product of its (nonzero) digits is 453600, while the sum is 47.

The square root of 40798559 is about 6387.3749694221. The cubic root of 40798559 is about 344.2560711659.

The spelling of 40798559 in words is "forty million, seven hundred ninety-eight thousand, five hundred fifty-nine".