40032461 has 12 divisors (see below), whose sum is σ = 47035260. Its totient is φ = 33969600.

The previous prime is 40032457. The next prime is 40032479. The reversal of 40032461 is 16423004.

It is a happy number.

40032461 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 18232900 + 21799561 = 4270^2 + 4669^2 .

It is not a de Polignac number, because 40032461 - 2² = 40032457 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40032401) 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 11 ways as a sum of consecutive naturals, for example, 905 + ... + 8993.

It is an arithmetic number, because the mean of its divisors is an integer number (3919605).

Almost surely, 2^40032461 is an apocalyptic number.

It is an amenable number.

40032461 is a deficient number, since it is larger than the sum of its proper divisors (7002799).

40032461 is a wasteful number, since it uses less digits than its factorization.

40032461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8204 (or 8197 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 40032461 is about 6327.1210672785. The cubic root of 40032461 is about 342.0876768699.

Adding to 40032461 its reverse (16423004), we get a palindrome (56455465).

The spelling of 40032461 in words is "forty million, thirty-two thousand, four hundred sixty-one".