40344214109 has 4 divisors (see below), whose sum is σ = 40569600960. Its totient is φ = 40118827260.

The previous prime is 40344214103. The next prime is 40344214123. The reversal of 40344214109 is 90141244304.

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-40344214109 is a prime.

It is a super-2 number, since 2×40344214109² (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 (40344214103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112693157 + ... + 112693514.

It is an arithmetic number, because the mean of its divisors is an integer number (10142400240).

Almost surely, 2^40344214109 is an apocalyptic number.

It is an amenable number.

40344214109 is a deficient number, since it is larger than the sum of its proper divisors (225386851).

40344214109 is a wasteful number, since it uses less digits than its factorization.

40344214109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225386850.

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 40344214109 in words is "forty billion, three hundred forty-four million, two hundred fourteen thousand, one hundred nine".