40469817 has 8 divisors (see below), whose sum is σ = 54202624. Its totient is φ = 26858448.

The previous prime is 40469789. The next prime is 40469831. The reversal of 40469817 is 71896404.

It is a happy number.

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

It is not a de Polignac number, because 40469817 - 2¹² = 40465721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40469417) 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, 29578 + ... + 30915.

It is an arithmetic number, because the mean of its divisors is an integer number (6775328).

Almost surely, 2^40469817 is an apocalyptic number.

It is an amenable number.

40469817 is a deficient number, since it is larger than the sum of its proper divisors (13732807).

40469817 is a wasteful number, since it uses less digits than its factorization.

40469817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60719.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 40469817 is about 6361.5891882453. The cubic root of 40469817 is about 343.3289406755.

The spelling of 40469817 in words is "forty million, four hundred sixty-nine thousand, eight hundred seventeen".