563990280 has 64 divisors (see below), whose sum is σ = 1933683840. Its totient is φ = 128911872.

The previous prime is 563990267. The next prime is 563990303. The reversal of 563990280 is 82099365.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334869 + ... + 336548.

It is an arithmetic number, because the mean of its divisors is an integer number (30213810).

Almost surely, 2^563990280 is an apocalyptic number.

It is an amenable number.

563990280 is an abundant number, since it is smaller than the sum of its proper divisors (1369693560).

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

563990280 is a wasteful number, since it uses less digits than its factorization.

563990280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671438 (or 671434 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 563990280 is about 23748.4795302773. The cubic root of 563990280 is about 826.2101761982.

The spelling of 563990280 in words is "five hundred sixty-three million, nine hundred ninety thousand, two hundred eighty".