40344527 has 4 divisors (see below), whose sum is σ = 40553760. Its totient is φ = 40135296.

The previous prime is 40344523. The next prime is 40344559. The reversal of 40344527 is 72544304.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40344527 - 2² = 40344523 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 40344527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40344523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104327 + ... + 104712.

It is an arithmetic number, because the mean of its divisors is an integer number (10138440).

Almost surely, 2^40344527 is an apocalyptic number.

40344527 is a deficient number, since it is larger than the sum of its proper divisors (209233).

40344527 is a wasteful number, since it uses less digits than its factorization.

40344527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209232.

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 40344527 is about 6351.7341726492. The cubic root of 40344527 is about 342.9742718280.

The spelling of 40344527 in words is "forty million, three hundred forty-four thousand, five hundred twenty-seven".