40341289 has 8 divisors (see below), whose sum is σ = 43130880. Its totient is φ = 37598016.

The previous prime is 40341281. The next prime is 40341293. The reversal of 40341289 is 98214304.

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

It is not a de Polignac number, because 40341289 - 2³ = 40341281 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40341289.

It is not an unprimeable number, because it can be changed into a prime (40341281) 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, 9769 + ... + 13270.

It is an arithmetic number, because the mean of its divisors is an integer number (5391360).

Almost surely, 2^40341289 is an apocalyptic number.

It is an amenable number.

40341289 is a deficient number, since it is larger than the sum of its proper divisors (2789591).

40341289 is a wasteful number, since it uses less digits than its factorization.

40341289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23159.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 40341289 is about 6351.4792765150. The cubic root of 40341289 is about 342.9650960241.

The spelling of 40341289 in words is "forty million, three hundred forty-one thousand, two hundred eighty-nine".