40004040422201 has 4 divisors (see below), whose sum is σ = 40004228330532. Its totient is φ = 40003852513872.

The previous prime is 40004040422183. The next prime is 40004040422317. The reversal of 40004040422201 is 10222404040004.

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 24222648565801 + 15781391856400 = 4921651^2 + 3972580^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40004040422201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40004040422501) 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, 93634466 + ... + 94060731.

It is an arithmetic number, because the mean of its divisors is an integer number (10001057082633).

Almost surely, 2^{40004040422201} is an apocalyptic number.

It is an amenable number.

40004040422201 is a deficient number, since it is larger than the sum of its proper divisors (187908331).

40004040422201 is a wasteful number, since it uses less digits than its factorization.

40004040422201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187908330.

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 40004040422201 its reverse (10222404040004), we get a palindrome (50226444462205).

The spelling of 40004040422201 in words is "forty trillion, four billion, forty million, four hundred twenty-two thousand, two hundred one".