34420340242 has 16 divisors (see below), whose sum is σ = 53512418520. Its totient is φ = 16591402368.

The previous prime is 34420340237. The next prime is 34420340263. The reversal of 34420340242 is 24204302443.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 33273772921 + 1146567321 = 182411^2 + 33861^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 34420340242.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2125603 + ... + 2141734.

Almost surely, 2^34420340242 is an apocalyptic number.

34420340242 is a deficient number, since it is larger than the sum of its proper divisors (19092078278).

34420340242 is a wasteful number, since it uses less digits than its factorization.

34420340242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4267485.

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 34420340242 its reverse (24204302443), we get a palindrome (58624642685).

The spelling of 34420340242 in words is "thirty-four billion, four hundred twenty million, three hundred forty thousand, two hundred forty-two".