40215000289 has 2 divisors, whose sum is σ = 40215000290. Its totient is φ = 40215000288.

The previous prime is 40215000283. The next prime is 40215000389. The reversal of 40215000289 is 98200051204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37749381264 + 2465619025 = 194292^2 + 49655^2 .

It is a cyclic number.

It is not a de Polignac number, because 40215000289 - 2³ = 40215000281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40215000289.

It is not a weakly prime, because it can be changed into another prime (40215000281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20107500144 + 20107500145.

It is an arithmetic number, because the mean of its divisors is an integer number (20107500145).

Almost surely, 2^40215000289 is an apocalyptic number.

It is an amenable number.

40215000289 is a deficient number, since it is larger than the sum of its proper divisors (1).

40215000289 is an equidigital number, since it uses as much as digits as its factorization.

40215000289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 31.

The spelling of 40215000289 in words is "forty billion, two hundred fifteen million, two hundred eighty-nine", and thus it is an aban number.