522632440000 has 140 divisors (see below), whose sum is σ = 1413774203688. Its totient is φ = 190048000000.

The previous prime is 522632439919. The next prime is 522632440007. The reversal of 522632440000 is 44236225.

It is not an unprimeable number, because it can be changed into a prime (522632440007) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 153901 + ... + 1033900.

Almost surely, 2^522632440000 is an apocalyptic number.

522632440000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 522632440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (706887101844).

522632440000 is an abundant number, since it is smaller than the sum of its proper divisors (891141763688).

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

522632440000 is a wasteful number, since it uses less digits than its factorization.

522632440000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1187844 (or 1187819 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 522632440000 its reverse (44236225), we get a palindrome (522676676225).

The spelling of 522632440000 in words is "five hundred twenty-two billion, six hundred thirty-two million, four hundred forty thousand".