40705832 has 16 divisors (see below), whose sum is σ = 77025300. Its totient is φ = 20165760.

The previous prime is 40705831. The next prime is 40705843. The reversal of 40705832 is 23850704.

It is a happy number.

40705832 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 32330596 + 8375236 = 5686^2 + 2894^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40705795 and 40705804.

It is not an unprimeable number, because it can be changed into a prime (40705831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22469 + ... + 24212.

Almost surely, 2^40705832 is an apocalyptic number.

It is an amenable number.

40705832 is a deficient number, since it is larger than the sum of its proper divisors (36319468).

40705832 is a wasteful number, since it uses less digits than its factorization.

40705832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46796 (or 46792 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 40705832 is about 6380.1122247183. The cubic root of 40705832 is about 343.9950648291.

The spelling of 40705832 in words is "forty million, seven hundred five thousand, eight hundred thirty-two".