40220323001 has 8 divisors (see below), whose sum is σ = 42976925640. Its totient is φ = 37507131648.

The previous prime is 40220322979. The next prime is 40220323021. The reversal of 40220323001 is 10032302204.

It can be written as a sum of positive squares in 4 ways, for example, as 4810116025 + 35410206976 = 69355^2 + 188176^2 .

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 40220323001 - 2³⁴ = 23040453817 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40220323021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10850906 + ... + 10854611.

It is an arithmetic number, because the mean of its divisors is an integer number (5372115705).

Almost surely, 2^40220323001 is an apocalyptic number.

It is an amenable number.

40220323001 is a deficient number, since it is larger than the sum of its proper divisors (2756602639).

40220323001 is a wasteful number, since it uses less digits than its factorization.

40220323001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21705643.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 40220323001 its reverse (10032302204), we get a palindrome (50252625205).

The spelling of 40220323001 in words is "forty billion, two hundred twenty million, three hundred twenty-three thousand, one".