567997920 has 288 divisors, whose sum is σ = 2298336768. Its totient is φ = 129765888.

The previous prime is 567997909. The next prime is 567997921. The reversal of 567997920 is 29799765.

567997920 is a `hidden beast` number, since 567 + 9 + 9 + 79 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (567997921) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 271117 + ... + 273203.

It is an arithmetic number, because the mean of its divisors is an integer number (7980336).

Almost surely, 2^567997920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 567997920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1149168384).

567997920 is an abundant number, since it is smaller than the sum of its proper divisors (1730338848).

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

567997920 is a wasteful number, since it uses less digits than its factorization.

567997920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2124 (or 2104 counting only the distinct ones).

The product of its (nonzero) digits is 2143260, while the sum is 54.

The square root of 567997920 is about 23832.7069381554. The cubic root of 567997920 is about 828.1625389795.

The spelling of 567997920 in words is "five hundred sixty-seven million, nine hundred ninety-seven thousand, nine hundred twenty".