40002233321 has 4 divisors (see below), whose sum is σ = 40102995012. Its totient is φ = 39901471632.

The previous prime is 40002233311. The next prime is 40002233329. The reversal of 40002233321 is 12333220004.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22683673321 + 17318560000 = 150611^2 + 131600^2 .

It is a cyclic number.

It is not a de Polignac number, because 40002233321 - 2¹⁰ = 40002232297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40002233293 and 40002233302.

It is not an unprimeable number, because it can be changed into a prime (40002233329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50380250 + ... + 50381043.

It is an arithmetic number, because the mean of its divisors is an integer number (10025748753).

Almost surely, 2^40002233321 is an apocalyptic number.

It is an amenable number.

40002233321 is a deficient number, since it is larger than the sum of its proper divisors (100761691).

40002233321 is a wasteful number, since it uses less digits than its factorization.

40002233321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100761690.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 40002233321 its reverse (12333220004), we get a palindrome (52335453325).

The spelling of 40002233321 in words is "forty billion, two million, two hundred thirty-three thousand, three hundred twenty-one".