342000030042 has 96 divisors (see below), whose sum is σ = 856103152320. Its totient is φ = 97518620160.

The previous prime is 342000030037. The next prime is 342000030049. The reversal of 342000030042 is 240030000243.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 342000029997 and 342000030024.

It is not an unprimeable number, because it can be changed into a prime (342000030049) 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, 21275184 + ... + 21291252.

It is an arithmetic number, because the mean of its divisors is an integer number (8917741170).

Almost surely, 2^342000030042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 342000030042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (428051576160).

342000030042 is an abundant number, since it is smaller than the sum of its proper divisors (514103122278).

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

342000030042 is a wasteful number, since it uses less digits than its factorization.

342000030042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22428 (or 22425 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 342000030042 its reverse (240030000243), we get a palindrome (582030030285).

The spelling of 342000030042 in words is "three hundred forty-two billion, thirty thousand, forty-two".