42515441668 has 24 divisors (see below), whose sum is σ = 85057709184. Its totient is φ = 18215155200.

The previous prime is 42515441653. The next prime is 42515441699. The reversal of 42515441668 is 86614451524.

It is a super-2 number, since 2×42515441668² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148573 + ... + 327268.

It is an arithmetic number, because the mean of its divisors is an integer number (3544071216).

Almost surely, 2^42515441668 is an apocalyptic number.

It is an amenable number.

42515441668 is an abundant number, since it is smaller than the sum of its proper divisors (42542267516).

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

42515441668 is a wasteful number, since it uses less digits than its factorization.

42515441668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479043 (or 479041 counting only the distinct ones).

The product of its digits is 921600, while the sum is 46.

The spelling of 42515441668 in words is "forty-two billion, five hundred fifteen million, four hundred forty-one thousand, six hundred sixty-eight".