522045794432 has 24 divisors (see below), whose sum is σ = 1040029391415. Its totient is φ = 261018809984.

The previous prime is 522045794419. The next prime is 522045794437. The reversal of 522045794432 is 234497540225.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 261022897216 + 261022897216 = 510904^2 + 510904^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=510904.

It is a super-2 number, since 2×522045794432² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (522045794437) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 8142533 + ... + 8206395.

Almost surely, 2^522045794432 is an apocalyptic number.

It is an amenable number.

522045794432 is a deficient number, since it is larger than the sum of its proper divisors (517983596983).

522045794432 is an frugal number, since it uses more digits than its factorization.

522045794432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127740 (or 63865 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 47.

The spelling of 522045794432 in words is "five hundred twenty-two billion, forty-five million, seven hundred ninety-four thousand, four hundred thirty-two".