40223132021021 has 8 divisors (see below), whose sum is σ = 41611260432600. Its totient is φ = 38835078533440.

The previous prime is 40223132021003. The next prime is 40223132021071. The reversal of 40223132021021 is 12012023132204.

It can be written as a sum of positive squares in 4 ways, for example, as 28461051312100 + 11762080708921 = 5334890^2 + 3429589^2 .

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 40223132021021 - 2¹⁸ = 40223131758877 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40223132021071) 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, 17637686 + ... + 19787223.

It is an arithmetic number, because the mean of its divisors is an integer number (5201407554075).

Almost surely, 2^{40223132021021} is an apocalyptic number.

It is an amenable number.

40223132021021 is a deficient number, since it is larger than the sum of its proper divisors (1388128411579).

40223132021021 is a wasteful number, since it uses less digits than its factorization.

40223132021021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37461999.

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

Adding to 40223132021021 its reverse (12012023132204), we get a palindrome (52235155153225).

The spelling of 40223132021021 in words is "forty trillion, two hundred twenty-three billion, one hundred thirty-two million, twenty-one thousand, twenty-one".