40752559 has 4 divisors (see below), whose sum is σ = 40765504. Its totient is φ = 40739616.

The previous prime is 40752533. The next prime is 40752563. The reversal of 40752559 is 95525704.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 40752559 - 2¹⁹ = 40228271 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 (40750559) 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 in 3 ways as a sum of consecutive naturals, for example, 1639 + ... + 9175.

It is an arithmetic number, because the mean of its divisors is an integer number (10191376).

Almost surely, 2^40752559 is an apocalyptic number.

40752559 is a deficient number, since it is larger than the sum of its proper divisors (12945).

40752559 is an equidigital number, since it uses as much as digits as its factorization.

40752559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12944.

The product of its (nonzero) digits is 63000, while the sum is 37.

The square root of 40752559 is about 6383.7731006044. The cubic root of 40752559 is about 344.1266406585.

The spelling of 40752559 in words is "forty million, seven hundred fifty-two thousand, five hundred fifty-nine".