522263005440 has 144 divisors (see below), whose sum is σ = 1819611936576. Its totient is φ = 126609203200.

The previous prime is 522263005409. The next prime is 522263005441. The reversal of 522263005440 is 44500362225.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (522263005441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6139851 + ... + 6224330.

It is an arithmetic number, because the mean of its divisors is an integer number (12636194004).

Almost surely, 2^522263005440 is an apocalyptic number.

It is an amenable number.

522263005440 is an abundant number, since it is smaller than the sum of its proper divisors (1297348931136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

522263005440 is a wasteful number, since it uses less digits than its factorization.

522263005440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12364216 (or 12364202 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 522263005440 its reverse (44500362225), we get a palindrome (566763367665).

The spelling of 522263005440 in words is "five hundred twenty-two billion, two hundred sixty-three million, five thousand, four hundred forty".