40718434069 has 8 divisors (see below), whose sum is σ = 41485600800. Its totient is φ = 39957852816.

The previous prime is 40718434049. The next prime is 40718434111. The reversal of 40718434069 is 96043481704.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40718434069 - 2⁵ = 40718434037 is a prime.

It is a super-2 number, since 2×40718434069² (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 (40718434049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1633887 + ... + 1658620.

It is an arithmetic number, because the mean of its divisors is an integer number (5185700100).

Almost surely, 2^40718434069 is an apocalyptic number.

It is an amenable number.

40718434069 is a deficient number, since it is larger than the sum of its proper divisors (767166731).

40718434069 is a wasteful number, since it uses less digits than its factorization.

40718434069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3292739.

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 40718434069 in words is "forty billion, seven hundred eighteen million, four hundred thirty-four thousand, sixty-nine".