40410422121 has 4 divisors (see below), whose sum is σ = 53880562832. Its totient is φ = 26940281412.

The previous prime is 40410422111. The next prime is 40410422123. The reversal of 40410422121 is 12122401404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 40410422121 - 2⁷ = 40410421993 is a prime.

It is a super-2 number, since 2×40410422121² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40410422123) 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 3 ways as a sum of consecutive naturals, for example, 6735070351 + ... + 6735070356.

It is an arithmetic number, because the mean of its divisors is an integer number (13470140708).

Almost surely, 2^40410422121 is an apocalyptic number.

It is an amenable number.

40410422121 is a deficient number, since it is larger than the sum of its proper divisors (13470140711).

40410422121 is a wasteful number, since it uses less digits than its factorization.

40410422121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13470140710.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 40410422121 its reverse (12122401404), we get a palindrome (52532823525).

The spelling of 40410422121 in words is "forty billion, four hundred ten million, four hundred twenty-two thousand, one hundred twenty-one".