40000042221201 has 24 divisors (see below), whose sum is σ = 60312357181440. Its totient is φ = 25497780101376.

The previous prime is 40000042221157. The next prime is 40000042221233. The reversal of 40000042221201 is 10212224000004.

40000042221201 is a `hidden beast` number, since 40 + 0 + 0 + 0 + 0 + 422 + 2 + 1 + 201 = 666.

It is not a de Polignac number, because 40000042221201 - 2¹³ = 40000042213009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40000042221101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35401536 + ... + 36513953.

It is an arithmetic number, because the mean of its divisors is an integer number (2513014882560).

Almost surely, 2^{40000042221201} is an apocalyptic number.

It is an amenable number.

40000042221201 is a deficient number, since it is larger than the sum of its proper divisors (20312314960239).

40000042221201 is a wasteful number, since it uses less digits than its factorization.

40000042221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71918205 (or 71918202 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 40000042221201 its reverse (10212224000004), we get a palindrome (50212266221205).

The spelling of 40000042221201 in words is "forty trillion, forty-two million, two hundred twenty-one thousand, two hundred one".