40320421333 has 8 divisors (see below), whose sum is σ = 40445359416. Its totient is φ = 40195646400.

The previous prime is 40320421319. The next prime is 40320421363. The reversal of 40320421333 is 33312402304.

40320421333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3821465124 + 36498956209 = 61818^2 + 191047^2 .

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 40320421333 - 2¹⁷ = 40320290261 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40320421298 and 40320421307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40320421363) 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, 463863 + ... + 543883.

It is an arithmetic number, because the mean of its divisors is an integer number (5055669927).

Almost surely, 2^40320421333 is an apocalyptic number.

It is an amenable number.

40320421333 is a deficient number, since it is larger than the sum of its proper divisors (124938083).

40320421333 is a wasteful number, since it uses less digits than its factorization.

40320421333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81575.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 40320421333 its reverse (33312402304), we get a palindrome (73632823637).

The spelling of 40320421333 in words is "forty billion, three hundred twenty million, four hundred twenty-one thousand, three hundred thirty-three".