564021446142 has 128 divisors (see below), whose sum is σ = 1519511270400. Its totient is φ = 137881390080.

The previous prime is 564021446141. The next prime is 564021446161. The reversal of 564021446142 is 241644120465.

It is a super-2 number, since 2×564021446142² (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 564021446142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564021446141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 347943 + ... + 1117634.

It is an arithmetic number, because the mean of its divisors is an integer number (11871181800).

Almost surely, 2^564021446142 is an apocalyptic number.

564021446142 is an abundant number, since it is smaller than the sum of its proper divisors (955489824258).

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

564021446142 is a wasteful number, since it uses less digits than its factorization.

564021446142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1465631 (or 1465617 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 39.

The spelling of 564021446142 in words is "five hundred sixty-four billion, twenty-one million, four hundred forty-six thousand, one hundred forty-two".