40934344889 has 4 divisors (see below), whose sum is σ = 41163028560. Its totient is φ = 40705661220.

The previous prime is 40934344849. The next prime is 40934344907. The reversal of 40934344889 is 98844343904.

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-40934344889 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40934344849) 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, 114341567 + ... + 114341924.

It is an arithmetic number, because the mean of its divisors is an integer number (10290757140).

Almost surely, 2^40934344889 is an apocalyptic number.

It is an amenable number.

40934344889 is a deficient number, since it is larger than the sum of its proper divisors (228683671).

40934344889 is a wasteful number, since it uses less digits than its factorization.

40934344889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228683670.

The product of its (nonzero) digits is 11943936, while the sum is 56.

The spelling of 40934344889 in words is "forty billion, nine hundred thirty-four million, three hundred forty-four thousand, eight hundred eighty-nine".