42518333568 has 64 divisors (see below), whose sum is σ = 113687421120. Its totient is φ = 14078899200.

The previous prime is 42518333567. The next prime is 42518333573. The reversal of 42518333568 is 86533381524.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×42518333568² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (42518333567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308655 + ... + 424622.

It is an arithmetic number, because the mean of its divisors is an integer number (1776365955).

Almost surely, 2^42518333568 is an apocalyptic number.

42518333568 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

42518333568 is an abundant number, since it is smaller than the sum of its proper divisors (71169087552).

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

42518333568 is a wasteful number, since it uses less digits than its factorization.

42518333568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733445 (or 733433 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 48.

The spelling of 42518333568 in words is "forty-two billion, five hundred eighteen million, three hundred thirty-three thousand, five hundred sixty-eight".