444421032144 has 40 divisors (see below), whose sum is σ = 1158247748352. Its totient is φ = 146829365760.

The previous prime is 444421032131. The next prime is 444421032157. The reversal of 444421032144 is 441230124444.

444421032144 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (444421032131) and next prime (444421032157).

It is a super-3 number, since 3×444421032144³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40962592 + ... + 40973439.

Almost surely, 2^444421032144 is an apocalyptic number.

It is an amenable number.

444421032144 is an abundant number, since it is smaller than the sum of its proper divisors (713826716208).

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

444421032144 is a wasteful number, since it uses less digits than its factorization.

444421032144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81936155 (or 81936149 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 33.

Adding to 444421032144 its reverse (441230124444), we get a palindrome (885651156588).

The spelling of 444421032144 in words is "four hundred forty-four billion, four hundred twenty-one million, thirty-two thousand, one hundred forty-four".