564445745266 has 64 divisors (see below), whose sum is σ = 988805615616. Its totient is φ = 239301504000.

The previous prime is 564445745263. The next prime is 564445745287. The reversal of 564445745266 is 662547544465.

It is a super-2 number, since 2×564445745266² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 564445745266.

It is not an unprimeable number, because it can be changed into a prime (564445745261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4411291 + ... + 4537441.

It is an arithmetic number, because the mean of its divisors is an integer number (15450087744).

Almost surely, 2^564445745266 is an apocalyptic number.

564445745266 is a deficient number, since it is larger than the sum of its proper divisors (424359870350).

564445745266 is a wasteful number, since it uses less digits than its factorization.

564445745266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126427.

The product of its digits is 96768000, while the sum is 58.

The spelling of 564445745266 in words is "five hundred sixty-four billion, four hundred forty-five million, seven hundred forty-five thousand, two hundred sixty-six".