522988919840401 has 27 divisors (see below), whose sum is σ = 642083578853769. Its totient is φ = 424680262053768.

The previous prime is 522988919840389. The next prime is 522988919840417. The reversal of 522988919840401 is 104048919889225.

The square root of 522988919840401 is 22868951.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 522988919840401 - 2²⁷ = 522988785622673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (522988914840401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3041484510 + ... + 3041656456.

Almost surely, 2^{522988919840401} is an apocalyptic number.

522988919840401 is the 22868951-st square number.

522988919840401 is the 11434476-th centered octagonal number.

It is an amenable number.

522988919840401 is a deficient number, since it is larger than the sum of its proper divisors (119094659013368).

522988919840401 is an frugal number, since it uses more digits than its factorization.

522988919840401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343946 (or 171973 counting only the distinct ones).

The product of its (nonzero) digits is 119439360, while the sum is 70.

The spelling of 522988919840401 in words is "five hundred twenty-two trillion, nine hundred eighty-eight billion, nine hundred nineteen million, eight hundred forty thousand, four hundred one".