40234007 has 4 divisors (see below), whose sum is σ = 43891656. Its totient is φ = 36576360.

The previous prime is 40233983. The next prime is 40234027. The reversal of 40234007 is 70043204.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40234007 - 2¹⁸ = 39971863 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40234007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40234027) 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, 1828808 + ... + 1828829.

It is an arithmetic number, because the mean of its divisors is an integer number (10972914).

Almost surely, 2^40234007 is an apocalyptic number.

40234007 is a deficient number, since it is larger than the sum of its proper divisors (3657649).

40234007 is a wasteful number, since it uses less digits than its factorization.

40234007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3657648.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 40234007 is about 6343.0282200224. The cubic root of 40234007 is about 342.6608036001.

The spelling of 40234007 in words is "forty million, two hundred thirty-four thousand, seven".