522427760640 has 476 divisors, whose sum is σ = 1880725196184. Its totient is φ = 139314069504.

The previous prime is 522427760611. The next prime is 522427760711. The reversal of 522427760640 is 46067724225.

It is a happy number.

It is a Jordan-Polya number, since it can be written as 6! ⋅ (3!)¹¹ ⋅ 2!.

522427760640 is a `hidden beast` number, since 522 + 4 + 2 + 7 + 7 + 60 + 64 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 104485552126 + ... + 104485552130.

Almost surely, 2^522427760640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 522427760640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (940362598092).

522427760640 is an abundant number, since it is smaller than the sum of its proper divisors (1358297435544).

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

522427760640 is an frugal number, since it uses more digits than its factorization.

522427760640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76 (or 10 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 45.

The spelling of 522427760640 in words is "five hundred twenty-two billion, four hundred twenty-seven million, seven hundred sixty thousand, six hundred forty".