40909032 has 48 divisors (see below), whose sum is σ = 111327840. Its totient is φ = 13570848.

The previous prime is 40909031. The next prime is 40909067. The reversal of 40909032 is 23090904.

It is a junction number, because it is equal to n+sod(n) for n = 40908987 and 40909005.

It is not an unprimeable number, because it can be changed into a prime (40909031) 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 11 ways as a sum of consecutive naturals, for example, 15093 + ... + 17595.

It is an arithmetic number, because the mean of its divisors is an integer number (2319330).

Almost surely, 2^40909032 is an apocalyptic number.

It is an amenable number.

40909032 is an abundant number, since it is smaller than the sum of its proper divisors (70418808).

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

40909032 is a wasteful number, since it uses less digits than its factorization.

40909032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2742 (or 2735 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 40909032 is about 6396.0168855312. The cubic root of 40909032 is about 344.5665128993.

Adding to 40909032 its reverse (23090904), we get a palindrome (63999936).

The spelling of 40909032 in words is "forty million, nine hundred nine thousand, thirty-two".