40422493 has 8 divisors (see below), whose sum is σ = 41220000. Its totient is φ = 39628848.

The previous prime is 40422479. The next prime is 40422497. The reversal of 40422493 is 39422404.

40422493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40422493 - 2¹⁷ = 40291421 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 (40422497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28755 + ... + 30127.

It is an arithmetic number, because the mean of its divisors is an integer number (5152500).

Almost surely, 2^40422493 is an apocalyptic number.

It is an amenable number.

40422493 is a deficient number, since it is larger than the sum of its proper divisors (797507).

40422493 is a wasteful number, since it uses less digits than its factorization.

40422493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1931.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 40422493 is about 6357.8685893938. The cubic root of 40422493 is about 343.1950628271.

Adding to 40422493 its reverse (39422404), we get a palindrome (79844897).

The spelling of 40422493 in words is "forty million, four hundred twenty-two thousand, four hundred ninety-three".