34440423434 has 4 divisors (see below), whose sum is σ = 51660635154. Its totient is φ = 17220211716.

The previous prime is 34440423421. The next prime is 34440423439. The reversal of 34440423434 is 43432404443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43432404443 = 883 ⋅49187321.

It can be written as a sum of positive squares in only one way, i.e., 33506204209 + 934219225 = 183047^2 + 30565^2 .

It is a super-2 number, since 2×34440423434² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 34440423394 and 34440423403.

It is not an unprimeable number, because it can be changed into a prime (34440423439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8610105857 + ... + 8610105860.

Almost surely, 2^34440423434 is an apocalyptic number.

34440423434 is a deficient number, since it is larger than the sum of its proper divisors (17220211720).

34440423434 is a wasteful number, since it uses less digits than its factorization.

34440423434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17220211719.

The product of its (nonzero) digits is 221184, while the sum is 35.

Adding to 34440423434 its reverse (43432404443), we get a palindrome (77872827877).

The spelling of 34440423434 in words is "thirty-four billion, four hundred forty million, four hundred twenty-three thousand, four hundred thirty-four".