4442744244420 has 36 divisors (see below), whose sum is σ = 13476324208620. Its totient is φ = 1184731798464.

The previous prime is 4442744244403. The next prime is 4442744244431. The reversal of 4442744244420 is 244424472444.

4442744244420 is a `hidden beast` number, since 44 + 42 + 74 + 42 + 44 + 420 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2827018527876 + 1615725716544 = 1681374^2 + 1271112^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×4442744244420² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12340956055 + ... + 12340956414.

Almost surely, 2^{4442744244420} is an apocalyptic number.

It is an amenable number.

4442744244420 is an abundant number, since it is smaller than the sum of its proper divisors (9033579964200).

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

4442744244420 is a wasteful number, since it uses less digits than its factorization.

4442744244420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24681912484 (or 24681912479 counting only the distinct ones).

The product of its (nonzero) digits is 3670016, while the sum is 45.

The spelling of 4442744244420 in words is "four trillion, four hundred forty-two billion, seven hundred forty-four million, two hundred forty-four thousand, four hundred twenty".