40732045 has 4 divisors (see below), whose sum is σ = 48878460. Its totient is φ = 32585632.

The previous prime is 40732009. The next prime is 40732049. The reversal of 40732045 is 54023704.

40732045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13920361 + 26811684 = 3731^2 + 5178^2 .

It is a cyclic number.

It is not a de Polignac number, because 40732045 - 2⁹ = 40731533 is a prime.

It is a super-4 number, since 4×40732045⁴ (a number of 32 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40732049) 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, 4073200 + ... + 4073209.

It is an arithmetic number, because the mean of its divisors is an integer number (12219615).

Almost surely, 2^40732045 is an apocalyptic number.

It is an amenable number.

40732045 is a deficient number, since it is larger than the sum of its proper divisors (8146415).

40732045 is an equidigital number, since it uses as much as digits as its factorization.

40732045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8146414.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 40732045 is about 6382.1661683162. The cubic root of 40732045 is about 344.0688888761.

Adding to 40732045 its reverse (54023704), we get a palindrome (94755749).

The spelling of 40732045 in words is "forty million, seven hundred thirty-two thousand, forty-five".