40303037 has 2 divisors, whose sum is σ = 40303038. Its totient is φ = 40303036.

The previous prime is 40303033. The next prime is 40303049. The reversal of 40303037 is 73030304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22905796 + 17397241 = 4786^2 + 4171^2 .

It is a cyclic number.

It is not a de Polignac number, because 40303037 - 2² = 40303033 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40303031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20151518 + 20151519.

It is an arithmetic number, because the mean of its divisors is an integer number (20151519).

Almost surely, 2^40303037 is an apocalyptic number.

It is an amenable number.

40303037 is a deficient number, since it is larger than the sum of its proper divisors (1).

40303037 is an equidigital number, since it uses as much as digits as its factorization.

40303037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 20.

The square root of 40303037 is about 6348.4672953399. The cubic root of 40303037 is about 342.8566608045.

The spelling of 40303037 in words is "forty million, three hundred three thousand, thirty-seven".