42647035242 has 96 divisors (see below), whose sum is σ = 99985916160. Its totient is φ = 12091161600.

The previous prime is 42647035187. The next prime is 42647035271. The reversal of 42647035242 is 24253074624.

It is a super-2 number, since 2×42647035242² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42647035242.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23678742 + ... + 23680542.

It is an arithmetic number, because the mean of its divisors is an integer number (1041519960).

Almost surely, 2^42647035242 is an apocalyptic number.

42647035242 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 42647035242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49992958080).

42647035242 is an abundant number, since it is smaller than the sum of its proper divisors (57338880918).

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

42647035242 is a wasteful number, since it uses less digits than its factorization.

42647035242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2396 (or 2389 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 39.

The spelling of 42647035242 in words is "forty-two billion, six hundred forty-seven million, thirty-five thousand, two hundred forty-two".