40421117115 has 12 divisors (see below), whose sum is σ = 70063269744. Its totient is φ = 21557929104.

The previous prime is 40421117089. The next prime is 40421117137. The reversal of 40421117115 is 51171112404.

40421117115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40421117115 - 2¹⁷ = 40420986043 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 449123479 + ... + 449123568.

It is an arithmetic number, because the mean of its divisors is an integer number (5838605812).

Almost surely, 2^40421117115 is an apocalyptic number.

40421117115 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40421117115 is a deficient number, since it is larger than the sum of its proper divisors (29642152629).

40421117115 is a wasteful number, since it uses less digits than its factorization.

40421117115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898247058 (or 898247055 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 27.

Adding to 40421117115 its reverse (51171112404), we get a palindrome (91592229519).

The spelling of 40421117115 in words is "forty billion, four hundred twenty-one million, one hundred seventeen thousand, one hundred fifteen".