40718232 has 96 divisors (see below), whose sum is σ = 114516480. Its totient is φ = 13063680.

The previous prime is 40718231. The next prime is 40718263. The reversal of 40718232 is 23281704.

It is a junction number, because it is equal to n+sod(n) for n = 40718196 and 40718205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40718231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 320553 + ... + 320679.

It is an arithmetic number, because the mean of its divisors is an integer number (1192880).

Almost surely, 2^40718232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40718232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57258240).

40718232 is an abundant number, since it is smaller than the sum of its proper divisors (73798248).

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

40718232 is a wasteful number, since it uses less digits than its factorization.

40718232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273 (or 266 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 40718232 is about 6381.0839204637. The cubic root of 40718232 is about 344.0299910755.

Adding to 40718232 its reverse (23281704), we get a palindrome (63999936).

The spelling of 40718232 in words is "forty million, seven hundred eighteen thousand, two hundred thirty-two".