40381322 has 8 divisors (see below), whose sum is σ = 60685572. Its totient is φ = 20152800.

The previous prime is 40381309. The next prime is 40381333. The reversal of 40381322 is 22318304.

It can be written as a sum of positive squares in 2 ways, for example, as 39677401 + 703921 = 6299^2 + 839^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17579 + ... + 19742.

Almost surely, 2^40381322 is an apocalyptic number.

40381322 is a deficient number, since it is larger than the sum of its proper divisors (20304250).

40381322 is a wasteful number, since it uses less digits than its factorization.

40381322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37864.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 40381322 is about 6354.6299656235. The cubic root of 40381322 is about 343.0785065676.

Adding to 40381322 its reverse (22318304), we get a palindrome (62699626).

The spelling of 40381322 in words is "forty million, three hundred eighty-one thousand, three hundred twenty-two".