40250530289 has 2 divisors, whose sum is σ = 40250530290. Its totient is φ = 40250530288.

The previous prime is 40250530283. The next prime is 40250530319. The reversal of 40250530289 is 98203505204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21758610064 + 18491920225 = 147508^2 + 135985^2 .

It is a cyclic number.

It is not a de Polignac number, because 40250530289 - 2⁴ = 40250530273 is a prime.

It is not a weakly prime, because it can be changed into another prime (40250530283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20125265144 + 20125265145.

It is an arithmetic number, because the mean of its divisors is an integer number (20125265145).

Almost surely, 2^40250530289 is an apocalyptic number.

It is an amenable number.

40250530289 is a deficient number, since it is larger than the sum of its proper divisors (1).

40250530289 is an equidigital number, since it uses as much as digits as its factorization.

40250530289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 40250530289 in words is "forty billion, two hundred fifty million, five hundred thirty thousand, two hundred eighty-nine".