40344342121001 has 8 divisors (see below), whose sum is σ = 44190557293320. Its totient is φ = 36661795679488.

The previous prime is 40344342120997. The next prime is 40344342121019. The reversal of 40344342121001 is 10012124344304.

It can be written as a sum of positive squares in 4 ways, for example, as 11511254694976 + 28833087426025 = 3392824^2 + 5369645^2 .

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 40344342121001 - 2² = 40344342120997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40344342121801) 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, 40917182186 + ... + 40917183171.

It is an arithmetic number, because the mean of its divisors is an integer number (5523819661665).

Almost surely, 2^{40344342121001} is an apocalyptic number.

It is an amenable number.

40344342121001 is a deficient number, since it is larger than the sum of its proper divisors (3846215172319).

40344342121001 is a wasteful number, since it uses less digits than its factorization.

40344342121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81834365403.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 40344342121001 its reverse (10012124344304), we get a palindrome (50356466465305).

The spelling of 40344342121001 in words is "forty trillion, three hundred forty-four billion, three hundred forty-two million, one hundred twenty-one thousand, one".