40032449 has 8 divisors (see below), whose sum is σ = 42264000. Its totient is φ = 37813392.

The previous prime is 40032403. The next prime is 40032451. The reversal of 40032449 is 94423004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40032449 - 2⁸ = 40032193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40032479) 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 7 ways as a sum of consecutive naturals, for example, 3887 + ... + 9755.

It is an arithmetic number, because the mean of its divisors is an integer number (5283000).

Almost surely, 2^40032449 is an apocalyptic number.

It is an amenable number.

40032449 is a deficient number, since it is larger than the sum of its proper divisors (2231551).

40032449 is a wasteful number, since it uses less digits than its factorization.

40032449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6247.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 40032449 is about 6327.1201189799. The cubic root of 40032449 is about 342.0876426888.

The spelling of 40032449 in words is "forty million, thirty-two thousand, four hundred forty-nine".