40813832 has 16 divisors (see below), whose sum is σ = 76847100. Its totient is φ = 20321280.

The previous prime is 40813831. The next prime is 40813841. The reversal of 40813832 is 23831804.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 33339076 + 7474756 = 5774^2 + 2734^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40813795 and 40813804.

It is not an unprimeable number, because it can be changed into a prime (40813831) 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, 8657 + ... + 12512.

Almost surely, 2^40813832 is an apocalyptic number.

It is an amenable number.

40813832 is a deficient number, since it is larger than the sum of its proper divisors (36033268).

40813832 is a wasteful number, since it uses less digits than its factorization.

40813832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21416 (or 21412 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 40813832 is about 6388.5704191157. The cubic root of 40813832 is about 344.2990233938.

The spelling of 40813832 in words is "forty million, eight hundred thirteen thousand, eight hundred thirty-two".