44385428668572 has 18 divisors (see below), whose sum is σ = 112196500245648. Its totient is φ = 14795142889512.

The previous prime is 44385428668519. The next prime is 44385428668657. The reversal of 44385428668572 is 27586682458344.

44385428668572 is a `hidden beast` number, since 4 + 4 + 3 + 8 + 5 + 42 + 8 + 6 + 6 + 8 + 572 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 44385428668572.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 616464287028 + ... + 616464287099.

It is an arithmetic number, because the mean of its divisors is an integer number (6233138902536).

Almost surely, 2^{44385428668572} is an apocalyptic number.

It is an amenable number.

44385428668572 is an abundant number, since it is smaller than the sum of its proper divisors (67811071577076).

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

44385428668572 is a wasteful number, since it uses less digits than its factorization.

44385428668572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232928574137 (or 1232928574132 counting only the distinct ones).

The product of its digits is 2477260800, while the sum is 72.

The spelling of 44385428668572 in words is "forty-four trillion, three hundred eighty-five billion, four hundred twenty-eight million, six hundred sixty-eight thousand, five hundred seventy-two".