4424640161725 has 24 divisors (see below), whose sum is σ = 6423282508608. Its totient is φ = 2960038012800.

The previous prime is 4424640161717. The next prime is 4424640161731. The reversal of 4424640161725 is 5271610464244.

It is not a de Polignac number, because 4424640161725 - 2³ = 4424640161717 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 308330119 + ... + 308344468.

It is an arithmetic number, because the mean of its divisors is an integer number (267636771192).

Almost surely, 2^{4424640161725} is an apocalyptic number.

It is an amenable number.

4424640161725 is a deficient number, since it is larger than the sum of its proper divisors (1998642346883).

4424640161725 is a wasteful number, since it uses less digits than its factorization.

4424640161725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616674645 (or 616674640 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 46.

The spelling of 4424640161725 in words is "four trillion, four hundred twenty-four billion, six hundred forty million, one hundred sixty-one thousand, seven hundred twenty-five".