40118732 has 12 divisors (see below), whose sum is σ = 70449456. Its totient is φ = 19990320.

The previous prime is 40118731. The next prime is 40118753. The reversal of 40118732 is 23781104.

It is not an unprimeable number, because it can be changed into a prime (40118731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15944 + ... + 18287.

It is an arithmetic number, because the mean of its divisors is an integer number (5870788).

Almost surely, 2^40118732 is an apocalyptic number.

It is an amenable number.

40118732 is a deficient number, since it is larger than the sum of its proper divisors (30330724).

40118732 is a wasteful number, since it uses less digits than its factorization.

40118732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34528 (or 34526 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 40118732 is about 6333.9349538814. The cubic root of 40118732 is about 342.3332365207. Note that the first 3 decimals are identical.

Adding to 40118732 its reverse (23781104), we get a palindrome (63899836).

The spelling of 40118732 in words is "forty million, one hundred eighteen thousand, seven hundred thirty-two".