40311100221 has 16 divisors (see below), whose sum is σ = 62854961664. Its totient is φ = 22499218224.

The previous prime is 40311100217. The next prime is 40311100237. The reversal of 40311100221 is 12200111304.

It is not a de Polignac number, because 40311100221 - 2² = 40311100217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40311100221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40311100211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22319751 + ... + 22321556.

It is an arithmetic number, because the mean of its divisors is an integer number (3928435104).

Almost surely, 2^40311100221 is an apocalyptic number.

It is an amenable number.

40311100221 is a deficient number, since it is larger than the sum of its proper divisors (22543861443).

40311100221 is a wasteful number, since it uses less digits than its factorization.

40311100221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44641360.

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

Adding to 40311100221 its reverse (12200111304), we get a palindrome (52511211525).

The spelling of 40311100221 in words is "forty billion, three hundred eleven million, one hundred thousand, two hundred twenty-one".