40752889 has 2 divisors, whose sum is σ = 40752890. Its totient is φ = 40752888.

The previous prime is 40752869. The next prime is 40752911. The reversal of 40752889 is 98825704.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33640000 + 7112889 = 5800^2 + 2667^2 .

It is a cyclic number.

It is not a de Polignac number, because 40752889 - 2¹¹ = 40750841 is a prime.

It is not a weakly prime, because it can be changed into another prime (40752839) 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, 20376444 + 20376445.

It is an arithmetic number, because the mean of its divisors is an integer number (20376445).

Almost surely, 2^40752889 is an apocalyptic number.

It is an amenable number.

40752889 is a deficient number, since it is larger than the sum of its proper divisors (1).

40752889 is an equidigital number, since it uses as much as digits as its factorization.

40752889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 40752889 is about 6383.7989473354. The cubic root of 40752889 is about 344.1275695285.

The spelling of 40752889 in words is "forty million, seven hundred fifty-two thousand, eight hundred eighty-nine".