40315769 has 8 divisors (see below), whose sum is σ = 43760640. Its totient is φ = 36920016.

The previous prime is 40315763. The next prime is 40315787. The reversal of 40315769 is 96751304.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40315769 is a prime.

It is a super-2 number, since 2×40315769² = 3250722460122722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40315763) 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, 10559 + ... + 13860.

It is an arithmetic number, because the mean of its divisors is an integer number (5470080).

Almost surely, 2^40315769 is an apocalyptic number.

It is an amenable number.

40315769 is a deficient number, since it is larger than the sum of its proper divisors (3444871).

40315769 is a wasteful number, since it uses less digits than its factorization.

40315769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24559.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 40315769 is about 6349.4699778800. The cubic root of 40315769 is about 342.8927605772.

The spelling of 40315769 in words is "forty million, three hundred fifteen thousand, seven hundred sixty-nine".