42642445758 has 32 divisors (see below), whose sum is σ = 95552611200. Its totient is φ = 12572710560.

The previous prime is 42642445757. The next prime is 42642445787. The reversal of 42642445758 is 85754424624.

It is a self number, because there is not a number n which added to its sum of digits gives 42642445758.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42642445757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8728608 + ... + 8733491.

It is an arithmetic number, because the mean of its divisors is an integer number (2986019100).

Almost surely, 2^42642445758 is an apocalyptic number.

42642445758 is an abundant number, since it is smaller than the sum of its proper divisors (52910165442).

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

42642445758 is a wasteful number, since it uses less digits than its factorization.

42642445758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17462152.

The product of its digits is 8601600, while the sum is 51.

The spelling of 42642445758 in words is "forty-two billion, six hundred forty-two million, four hundred forty-five thousand, seven hundred fifty-eight".