40814569 has 8 divisors (see below), whose sum is σ = 44610048. Its totient is φ = 37174080.

The previous prime is 40814561. The next prime is 40814573. The reversal of 40814569 is 96541804.

It is a happy number.

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 40814569 - 2³ = 40814561 is a prime.

It is a super-2 number, since 2×40814569² = 3331658085311522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40814561) 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, 38197 + ... + 39250.

It is an arithmetic number, because the mean of its divisors is an integer number (5576256).

Almost surely, 2^40814569 is an apocalyptic number.

It is an amenable number.

40814569 is a deficient number, since it is larger than the sum of its proper divisors (3795479).

40814569 is a wasteful number, since it uses less digits than its factorization.

40814569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77495.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 40814569 is about 6388.6280999914. The cubic root of 40814569 is about 344.3010957864.

The spelling of 40814569 in words is "forty million, eight hundred fourteen thousand, five hundred sixty-nine".