4526531563620 has 96 divisors (see below), whose sum is σ = 13828150296576. Its totient is φ = 1097209724800.

The previous prime is 4526531563591. The next prime is 4526531563627. The reversal of 4526531563620 is 263651356254.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 4526531563620.

It is not an unprimeable number, because it can be changed into a prime (4526531563627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5169055 + ... + 5980985.

It is an arithmetic number, because the mean of its divisors is an integer number (144043232256).

Almost surely, 2^{4526531563620} is an apocalyptic number.

It is an amenable number.

4526531563620 is an abundant number, since it is smaller than the sum of its proper divisors (9301618732956).

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

4526531563620 is a wasteful number, since it uses less digits than its factorization.

4526531563620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820401 (or 820399 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 48.

The spelling of 4526531563620 in words is "four trillion, five hundred twenty-six billion, five hundred thirty-one million, five hundred sixty-three thousand, six hundred twenty".