40371289 has 8 divisors (see below), whose sum is σ = 46316160. Its totient is φ = 34470816.

The previous prime is 40371271. The next prime is 40371293. The reversal of 40371289 is 98217304.

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 40371289 - 2⁹ = 40370777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40371229) 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, 9124 + ... + 12805.

It is an arithmetic number, because the mean of its divisors is an integer number (5789520).

Almost surely, 2^40371289 is an apocalyptic number.

It is an amenable number.

40371289 is a deficient number, since it is larger than the sum of its proper divisors (5944871).

40371289 is a wasteful number, since it uses less digits than its factorization.

40371289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22199.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 40371289 is about 6353.8404921748. The cubic root of 40371289 is about 343.0500908579.

The spelling of 40371289 in words is "forty million, three hundred seventy-one thousand, two hundred eighty-nine".