444020022240 has 96 divisors (see below), whose sum is σ = 1432776866976. Its totient is φ = 115517399040.

The previous prime is 444020022239. The next prime is 444020022253. The reversal of 444020022240 is 42220020444.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 444020022240.

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, 11261317 + ... + 11300676.

It is an arithmetic number, because the mean of its divisors is an integer number (14924759031).

Almost surely, 2^444020022240 is an apocalyptic number.

444020022240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

444020022240 is an abundant number, since it is smaller than the sum of its proper divisors (988756844736).

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

444020022240 is a wasteful number, since it uses less digits than its factorization.

444020022240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22562052 (or 22562044 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 444020022240 its reverse (42220020444), we get a palindrome (486240042684).

The spelling of 444020022240 in words is "four hundred forty-four billion, twenty million, twenty-two thousand, two hundred forty".