34421213442 has 128 divisors (see below), whose sum is σ = 88377090048. Its totient is φ = 8676460800.

The previous prime is 34421213401. The next prime is 34421213461. The reversal of 34421213442 is 24431212443.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7194183 + ... + 7198965.

It is an arithmetic number, because the mean of its divisors is an integer number (690446016).

Almost surely, 2^34421213442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34421213442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44188545024).

34421213442 is an abundant number, since it is smaller than the sum of its proper divisors (53955876606).

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

34421213442 is a wasteful number, since it uses less digits than its factorization.

34421213442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5264.

The product of its digits is 18432, while the sum is 30.

Adding to 34421213442 its reverse (24431212443), we get a palindrome (58852425885).

Subtracting from 34421213442 its reverse (24431212443), we obtain a palindrome (9990000999).

The spelling of 34421213442 in words is "thirty-four billion, four hundred twenty-one million, two hundred thirteen thousand, four hundred forty-two".