564115454644 has 12 divisors (see below), whose sum is σ = 1128230909344. Its totient is φ = 241763766264.

The previous prime is 564115454641. The next prime is 564115454797. The reversal of 564115454644 is 446454511465.

564115454644 is an admirable number.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564115454641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10073490234 + ... + 10073490289.

Almost surely, 2^564115454644 is an apocalyptic number.

It is an amenable number.

564115454644 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

564115454644 is a wasteful number, since it uses less digits than its factorization.

564115454644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20146980534 (or 20146980532 counting only the distinct ones).

The product of its digits is 4608000, while the sum is 49.

The spelling of 564115454644 in words is "five hundred sixty-four billion, one hundred fifteen million, four hundred fifty-four thousand, six hundred forty-four".