40401203211001 has 8 divisors (see below), whose sum is σ = 42788744323560. Its totient is φ = 38014884292608.

The previous prime is 40401203210983. The next prime is 40401203211073. The reversal of 40401203211001 is 10011230210404.

It can be written as a sum of positive squares in 4 ways, for example, as 29731501075600 + 10669702135401 = 5452660^2 + 3266451^2 .

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 40401203211001 - 2⁵ = 40401203210969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40401203211001.

It is not an unprimeable number, because it can be changed into a prime (40401203211091) 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, 305480476 + ... + 305612701.

It is an arithmetic number, because the mean of its divisors is an integer number (5348593040445).

Almost surely, 2^{40401203211001} is an apocalyptic number.

It is an amenable number.

40401203211001 is a deficient number, since it is larger than the sum of its proper divisors (2387541112559).

40401203211001 is a wasteful number, since it uses less digits than its factorization.

40401203211001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611097083.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 40401203211001 its reverse (10011230210404), we get a palindrome (50412433421405).

The spelling of 40401203211001 in words is "forty trillion, four hundred one billion, two hundred three million, two hundred eleven thousand, one".