40707232 has 24 divisors (see below), whose sum is σ = 80457300. Its totient is φ = 20273664.

The previous prime is 40707223. The next prime is 40707239. The reversal of 40707232 is 23270704.

It can be written as a sum of positive squares in 2 ways, for example, as 28344976 + 12362256 = 5324^2 + 3516^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40707197 and 40707206.

It is not an unprimeable number, because it can be changed into a prime (40707239) 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, 6244 + ... + 10972.

Almost surely, 2^40707232 is an apocalyptic number.

It is an amenable number.

40707232 is a deficient number, since it is larger than the sum of its proper divisors (39750068).

40707232 is a wasteful number, since it uses less digits than its factorization.

40707232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5008 (or 5000 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 25.

The square root of 40707232 is about 6380.2219397134. The cubic root of 40707232 is about 343.9990084702. Note that the first 3 decimals are identical.

Adding to 40707232 its reverse (23270704), we get a palindrome (63977936).

The spelling of 40707232 in words is "forty million, seven hundred seven thousand, two hundred thirty-two".