4444320075437 has 8 divisors (see below), whose sum is σ = 4880888431200. Its totient is φ = 4013174929360.

The previous prime is 4444320075383. The next prime is 4444320075493. The reversal of 4444320075437 is 7345700234444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4444320075437 - 2¹² = 4444320071341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4444320075391 and 4444320075400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4444320075037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1355800703 + ... + 1355803980.

It is an arithmetic number, because the mean of its divisors is an integer number (610111053900).

Almost surely, 2^{4444320075437} is an apocalyptic number.

It is an amenable number.

4444320075437 is a deficient number, since it is larger than the sum of its proper divisors (436568355763).

4444320075437 is a wasteful number, since it uses less digits than its factorization.

4444320075437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2711604843.

The product of its (nonzero) digits is 4515840, while the sum is 47.

The spelling of 4444320075437 in words is "four trillion, four hundred forty-four billion, three hundred twenty million, seventy-five thousand, four hundred thirty-seven".