561972288 has 28 divisors (see below), whose sum is σ = 1486885520. Its totient is φ = 187324032.

The previous prime is 561972287. The next prime is 561972319. The reversal of 561972288 is 882279165.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (561972283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1463278 + ... + 1463661.

Almost surely, 2^561972288 is an apocalyptic number.

It is an amenable number.

561972288 is an abundant number, since it is smaller than the sum of its proper divisors (924913232).

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

561972288 is a wasteful number, since it uses less digits than its factorization.

561972288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2926954 (or 2926944 counting only the distinct ones).

The product of its digits is 483840, while the sum is 48.

The square root of 561972288 is about 23705.9546949706. The cubic root of 561972288 is about 825.2235882507.

It can be divided in two parts, 56197 and 2288, that added together give a palindrome (58485).

The spelling of 561972288 in words is "five hundred sixty-one million, nine hundred seventy-two thousand, two hundred eighty-eight".