240400553171 has 2 divisors, whose sum is σ = 240400553172. Its totient is φ = 240400553170.

The previous prime is 240400553147. The next prime is 240400553209. The reversal of 240400553171 is 171355004042.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240400553171 is a prime.

It is not a weakly prime, because it can be changed into another prime (240400553111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120200276585 + 120200276586.

It is an arithmetic number, because the mean of its divisors is an integer number (120200276586).

Almost surely, 2^240400553171 is an apocalyptic number.

240400553171 is a deficient number, since it is larger than the sum of its proper divisors (1).

240400553171 is an equidigital number, since it uses as much as digits as its factorization.

240400553171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 32.

The spelling of 240400553171 in words is "two hundred forty billion, four hundred million, five hundred fifty-three thousand, one hundred seventy-one".