40363321 has 8 divisors (see below), whose sum is σ = 44596224. Its totient is φ = 36336960.

The previous prime is 40363319. The next prime is 40363339. The reversal of 40363321 is 12336304.

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 40363321 - 2¹ = 40363319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40363292 and 40363301.

It is not an unprimeable number, because it can be changed into a prime (40363361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51225 + ... + 52006.

It is an arithmetic number, because the mean of its divisors is an integer number (5574528).

Almost surely, 2^40363321 is an apocalyptic number.

It is an amenable number.

40363321 is a deficient number, since it is larger than the sum of its proper divisors (4232903).

40363321 is a wasteful number, since it uses less digits than its factorization.

40363321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103271.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 40363321 is about 6353.2134388827. The cubic root of 40363321 is about 343.0275203377.

Adding to 40363321 its reverse (12336304), we get a palindrome (52699625).

The spelling of 40363321 in words is "forty million, three hundred sixty-three thousand, three hundred twenty-one".