40906210117 has 4 divisors (see below), whose sum is σ = 40955914720. Its totient is φ = 40856505516.

The previous prime is 40906210091. The next prime is 40906210129. The reversal of 40906210117 is 71101260904.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40906210117 is a prime.

It is a super-2 number, since 2×40906210117² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40906210517) 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, 24851067 + ... + 24852712.

It is an arithmetic number, because the mean of its divisors is an integer number (10238978680).

Almost surely, 2^40906210117 is an apocalyptic number.

It is an amenable number.

40906210117 is a deficient number, since it is larger than the sum of its proper divisors (49704603).

40906210117 is an equidigital number, since it uses as much as digits as its factorization.

40906210117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49704602.

The product of its (nonzero) digits is 3024, while the sum is 31.

The spelling of 40906210117 in words is "forty billion, nine hundred six million, two hundred ten thousand, one hundred seventeen".