40432037 has 2 divisors, whose sum is σ = 40432038. Its totient is φ = 40432036.

The previous prime is 40432033. The next prime is 40432043. The reversal of 40432037 is 73023404.

It is a happy number.

40432037 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40119556 + 312481 = 6334^2 + 559^2 .

It is a cyclic number.

It is not a de Polignac number, because 40432037 - 2² = 40432033 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40432033) 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 as a sum of consecutive naturals, namely, 20216018 + 20216019.

It is an arithmetic number, because the mean of its divisors is an integer number (20216019).

Almost surely, 2^40432037 is an apocalyptic number.

It is an amenable number.

40432037 is a deficient number, since it is larger than the sum of its proper divisors (1).

40432037 is an equidigital number, since it uses as much as digits as its factorization.

40432037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 40432037 is about 6358.6191110964. The cubic root of 40432037 is about 343.2220708589. Note that the first 3 decimals are identical.

The spelling of 40432037 in words is "forty million, four hundred thirty-two thousand, thirty-seven".