564607444650 has 48 divisors (see below), whose sum is σ = 1409499542208. Its totient is φ = 149564880000.

The previous prime is 564607444637. The next prime is 564607444651. The reversal of 564607444650 is 56444706465.

It is a junction number, because it is equal to n+sod(n) for n = 564607444593 and 564607444602.

It is not an unprimeable number, because it can be changed into a prime (564607444651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12441091 + ... + 12486390.

It is an arithmetic number, because the mean of its divisors is an integer number (29364573796).

Almost surely, 2^564607444650 is an apocalyptic number.

564607444650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

564607444650 is an abundant number, since it is smaller than the sum of its proper divisors (844892097558).

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

564607444650 is a wasteful number, since it uses less digits than its factorization.

564607444650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24927647 (or 24927642 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 51.

The spelling of 564607444650 in words is "five hundred sixty-four billion, six hundred seven million, four hundred forty-four thousand, six hundred fifty".