4445730375444 has 48 divisors (see below), whose sum is σ = 11837480289600. Its totient is φ = 1441858498848.

The previous prime is 4445730375439. The next prime is 4445730375461.

It is a happy number.

4445730375444 is a `hidden beast` number, since 4 + 44 + 57 + 3 + 0 + 3 + 7 + 544 + 4 = 666.

4445730375444 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×4445730375444² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 556268574 + ... + 556276565.

It is an arithmetic number, because the mean of its divisors is an integer number (246614172700).

Almost surely, 2^{4445730375444} is an apocalyptic number.

It is an amenable number.

4445730375444 is an abundant number, since it is smaller than the sum of its proper divisors (7391749914156).

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

4445730375444 is a wasteful number, since it uses less digits than its factorization.

4445730375444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112545189 (or 1112545181 counting only the distinct ones).

The product of its (nonzero) digits is 45158400, while the sum is 54.

The spelling of 4445730375444 in words is "four trillion, four hundred forty-five billion, seven hundred thirty million, three hundred seventy-five thousand, four hundred forty-four".