4445878785444 has 72 divisors (see below), whose sum is σ = 11758764675840. Its totient is φ = 1413664002432.

The previous prime is 4445878785433. The next prime is 4445878785463.

4445878785444 is a `hidden beast` number, since 4 + 4 + 4 + 5 + 8 + 7 + 8 + 78 + 544 + 4 = 666.

4445878785444 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×4445878785444² (a number of 26 digits) contains 22 as substring.

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, 7011409 + ... + 7619160.

Almost surely, 2^{4445878785444} is an apocalyptic number.

It is an amenable number.

4445878785444 is an abundant number, since it is smaller than the sum of its proper divisors (7312885890396).

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

4445878785444 is a wasteful number, since it uses less digits than its factorization.

4445878785444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14630969 (or 14630964 counting only the distinct ones).

The product of its digits is 2569011200, while the sum is 72.

The spelling of 4445878785444 in words is "four trillion, four hundred forty-five billion, eight hundred seventy-eight million, seven hundred eighty-five thousand, four hundred forty-four".