40110312021 has 16 divisors (see below), whose sum is σ = 57818410944. Its totient is φ = 24587218944.

The previous prime is 40110311999. The next prime is 40110312031. The reversal of 40110312021 is 12021301104.

It is not a de Polignac number, because 40110312021 - 2²⁶ = 40043203157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40110312031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1990891 + ... + 2010936.

It is an arithmetic number, because the mean of its divisors is an integer number (3613650684).

Almost surely, 2^40110312021 is an apocalyptic number.

It is an amenable number.

40110312021 is a deficient number, since it is larger than the sum of its proper divisors (17708098923).

40110312021 is a wasteful number, since it uses less digits than its factorization.

40110312021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4002100.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 40110312021 its reverse (12021301104), we get a palindrome (52131613125).

The spelling of 40110312021 in words is "forty billion, one hundred ten million, three hundred twelve thousand, twenty-one".