40436093 has 8 divisors (see below), whose sum is σ = 42268416. Its totient is φ = 38610000.

The previous prime is 40436083. The next prime is 40436101. The reversal of 40436093 is 39063404.

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 40436093 - 2⁶ = 40436029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40436003) 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, 16103 + ... + 18443.

It is an arithmetic number, because the mean of its divisors is an integer number (5283552).

Almost surely, 2^40436093 is an apocalyptic number.

It is an amenable number.

40436093 is a deficient number, since it is larger than the sum of its proper divisors (1832323).

40436093 is a wasteful number, since it uses less digits than its factorization.

40436093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3115.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 40436093 is about 6358.9380402706. The cubic root of 40436093 is about 343.2335474195.

Adding to 40436093 its reverse (39063404), we get a palindrome (79499497).

The spelling of 40436093 in words is "forty million, four hundred thirty-six thousand, ninety-three".