34531420242 has 128 divisors (see below), whose sum is σ = 80774184960. Its totient is φ = 9742464000.

The previous prime is 34531420223. The next prime is 34531420247. The reversal of 34531420242 is 24202413543.

It is not an unprimeable number, because it can be changed into a prime (34531420247) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6120859 + ... + 6126497.

It is an arithmetic number, because the mean of its divisors is an integer number (631048320).

Almost surely, 2^34531420242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34531420242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40387092480).

34531420242 is an abundant number, since it is smaller than the sum of its proper divisors (46242764718).

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

34531420242 is a wasteful number, since it uses less digits than its factorization.

34531420242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5800.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 34531420242 its reverse (24202413543), we get a palindrome (58733833785).

The spelling of 34531420242 in words is "thirty-four billion, five hundred thirty-one million, four hundred twenty thousand, two hundred forty-two".