40017234 has 16 divisors (see below), whose sum is σ = 80124480. Its totient is φ = 13324080.

The previous prime is 40017227. The next prime is 40017283. The reversal of 40017234 is 43271004.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40017234.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2952 + ... + 9420.

It is an arithmetic number, because the mean of its divisors is an integer number (5007780).

Almost surely, 2^40017234 is an apocalyptic number.

40017234 is an abundant number, since it is smaller than the sum of its proper divisors (40107246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40017234 is a wasteful number, since it uses less digits than its factorization.

40017234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7505.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 40017234 is about 6325.9176409435. The cubic root of 40017234 is about 342.0442984922.

Adding to 40017234 its reverse (43271004), we get a palindrome (83288238).

The spelling of 40017234 in words is "forty million, seventeen thousand, two hundred thirty-four".