563978142 has 144 divisors (see below), whose sum is σ = 1549128672. Its totient is φ = 146966400.

The previous prime is 563978119. The next prime is 563978143. The reversal of 563978142 is 241879365.

563978142 is a `hidden beast` number, since 5 + 639 + 7 + 8 + 1 + 4 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563978143) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1157823 + ... + 1158309.

It is an arithmetic number, because the mean of its divisors is an integer number (10757838).

Almost surely, 2^563978142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 563978142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (774564336).

563978142 is an abundant number, since it is smaller than the sum of its proper divisors (985150530).

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

563978142 is a wasteful number, since it uses less digits than its factorization.

563978142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623 (or 613 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 563978142 is about 23748.2239756997. The cubic root of 563978142 is about 826.2042490210.

The spelling of 563978142 in words is "five hundred sixty-three million, nine hundred seventy-eight thousand, one hundred forty-two".