34425444644 has 12 divisors (see below), whose sum is σ = 60255478668. Its totient is φ = 17209593600.

The previous prime is 34425444617. The next prime is 34425444707. The reversal of 34425444644 is 44644452443.

It can be written as a sum of positive squares in 2 ways, for example, as 20715844900 + 13709599744 = 143930^2 + 117088^2 .

It is a super-2 number, since 2×34425444644² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 34425444595 and 34425444604.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 757337 + ... + 801504.

It is an arithmetic number, because the mean of its divisors is an integer number (5021289889).

Almost surely, 2^34425444644 is an apocalyptic number.

It is an amenable number.

34425444644 is a deficient number, since it is larger than the sum of its proper divisors (25830034024).

34425444644 is a wasteful number, since it uses less digits than its factorization.

34425444644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564366 (or 1564364 counting only the distinct ones).

The product of its digits is 2949120, while the sum is 44.

The spelling of 34425444644 in words is "thirty-four billion, four hundred twenty-five million, four hundred forty-four thousand, six hundred forty-four".