40034109 has 4 divisors (see below), whose sum is σ = 53378816. Its totient is φ = 26689404.

The previous prime is 40034101. The next prime is 40034129. The reversal of 40034109 is 90143004.

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 40034109 - 2³ = 40034101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40034101) 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, 6672349 + ... + 6672354.

It is an arithmetic number, because the mean of its divisors is an integer number (13344704).

Almost surely, 2^40034109 is an apocalyptic number.

It is an amenable number.

40034109 is a deficient number, since it is larger than the sum of its proper divisors (13344707).

40034109 is a wasteful number, since it uses less digits than its factorization.

40034109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13344706.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 40034109 is about 6327.2512989449. The cubic root of 40034109 is about 342.0923710001.

The spelling of 40034109 in words is "forty million, thirty-four thousand, one hundred nine".