34420042356 has 72 divisors (see below), whose sum is σ = 94098180960. Its totient is φ = 9763524288.

The previous prime is 34420042351. The next prime is 34420042403. The reversal of 34420042356 is 65324002443.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34420042351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128835 + ... + 292298.

It is an arithmetic number, because the mean of its divisors is an integer number (1306919180).

Almost surely, 2^34420042356 is an apocalyptic number.

It is an amenable number.

34420042356 is an abundant number, since it is smaller than the sum of its proper divisors (59678138604).

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

34420042356 is a wasteful number, since it uses less digits than its factorization.

34420042356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421293 (or 421284 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 34420042356 its reverse (65324002443), we get a palindrome (99744044799).

The spelling of 34420042356 in words is "thirty-four billion, four hundred twenty million, forty-two thousand, three hundred fifty-six".