40094 has 4 divisors (see below), whose sum is σ = 60144. Its totient is φ = 20046.

The previous prime is 40093. The next prime is 40099. The reversal of 40094 is 49004.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10022 + ... + 10025.

It is an arithmetic number, because the mean of its divisors is an integer number (15036).

2⁴⁰⁰⁹⁴ is an apocalyptic number.

40094 is a deficient number, since it is larger than the sum of its proper divisors (20050).

40094 is a wasteful number, since it uses less digits than its factorization.

40094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20049.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 40094 is about 200.2348620995. The cubic root of 40094 is about 34.2262875988.

Adding to 40094 its reverse (49004), we get a palindrome (89098).

It can be divided in two parts, 400 and 94, that added together give a palindrome (494).

The spelling of 40094 in words is "forty thousand, ninety-four".