10040494 has 4 divisors (see below), whose sum is σ = 15060744. Its totient is φ = 5020246.

The previous prime is 10040491. The next prime is 10040501. The reversal of 10040494 is 49404001.

It is a happy number.

10040494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10040491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2510122 + ... + 2510125.

It is an arithmetic number, because the mean of its divisors is an integer number (3765186).

Almost surely, 2^10040494 is an apocalyptic number.

10040494 is a deficient number, since it is larger than the sum of its proper divisors (5020250).

10040494 is an equidigital number, since it uses as much as digits as its factorization.

10040494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5020249.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 10040494 is about 3168.6738551009. The cubic root of 10040494 is about 215.7338829489.

Adding to 10040494 its reverse (49404001), we get a palindrome (59444495).

The spelling of 10040494 in words is "ten million, forty thousand, four hundred ninety-four".