40100440401 has 12 divisors (see below), whose sum is σ = 66197552512. Its totient is φ = 22914537336.

The previous prime is 40100440381. The next prime is 40100440433. The reversal of 40100440401 is 10404400104.

It is not a de Polignac number, because 40100440401 - 2⁹ = 40100439889 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40100440301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 318257401 + ... + 318257526.

Almost surely, 2^40100440401 is an apocalyptic number.

It is an amenable number.

40100440401 is a deficient number, since it is larger than the sum of its proper divisors (26097112111).

40100440401 is a wasteful number, since it uses less digits than its factorization.

40100440401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636514940 (or 636514937 counting only the distinct ones).

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

Adding to 40100440401 its reverse (10404400104), we get a palindrome (50504840505).

The spelling of 40100440401 in words is "forty billion, one hundred million, four hundred forty thousand, four hundred one".