40050289 has 4 divisors (see below), whose sum is σ = 40103140. Its totient is φ = 39997440.

The previous prime is 40050281. The next prime is 40050323. The reversal of 40050289 is 98205004.

It is a happy number.

40050289 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 8880400 + 31169889 = 2980^2 + 5583^2 .

It is a cyclic number.

It is not a de Polignac number, because 40050289 - 2³ = 40050281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40050281) 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, 25272 + ... + 26809.

It is an arithmetic number, because the mean of its divisors is an integer number (10025785).

Almost surely, 2^40050289 is an apocalyptic number.

It is an amenable number.

40050289 is a deficient number, since it is larger than the sum of its proper divisors (52851).

40050289 is an equidigital number, since it uses as much as digits as its factorization.

40050289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52850.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 40050289 is about 6328.5297660673. The cubic root of 40050289 is about 342.1384509487.

The spelling of 40050289 in words is "forty million, fifty thousand, two hundred eighty-nine".