1563520288 has 48 divisors (see below), whose sum is σ = 3366347040. Its totient is φ = 708928000.

The previous prime is 1563520271. The next prime is 1563520303. The reversal of 1563520288 is 8820253651.

It is a self number, because there is not a number n which added to its sum of digits gives 1563520288.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142188 + ... + 152788.

It is an arithmetic number, because the mean of its divisors is an integer number (70132230).

Almost surely, 2^1563520288 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 1563520288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1683173520).

1563520288 is an abundant number, since it is smaller than the sum of its proper divisors (1802826752).

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

1563520288 is a wasteful number, since it uses less digits than its factorization.

1563520288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11041 (or 11033 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 1563520288 is about 39541.3743817789. The cubic root of 1563520288 is about 1160.6497271749.

The spelling of 1563520288 in words is "one billion, five hundred sixty-three million, five hundred twenty thousand, two hundred eighty-eight".