40393319 has 8 divisors (see below), whose sum is σ = 40998960. Its totient is φ = 39792256.

The previous prime is 40393291. The next prime is 40393321. The reversal of 40393319 is 91339304.

40393319 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 40393319 - 2⁸ = 40393063 is a prime.

It is a super-2 number, since 2×40393319² = 3263240439671522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40393349) 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, 19229 + ... + 21225.

It is an arithmetic number, because the mean of its divisors is an integer number (5124870).

Almost surely, 2^40393319 is an apocalyptic number.

40393319 is a deficient number, since it is larger than the sum of its proper divisors (605641).

40393319 is a wasteful number, since it uses less digits than its factorization.

40393319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2289.

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 40393319 is about 6355.5738529263. The cubic root of 40393319 is about 343.1124785882.

The spelling of 40393319 in words is "forty million, three hundred ninety-three thousand, three hundred nineteen".