44442442220 has 48 divisors (see below), whose sum is σ = 102043646208. Its totient is φ = 16124372160.

The previous prime is 44442442201. The next prime is 44442442279. The reversal of 44442442220 is 2224424444.

It is a super-3 number, since 3×44442442220³ (a number of 33 digits) contains 333 as substring.

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, 130544 + ... + 325463.

It is an arithmetic number, because the mean of its divisors is an integer number (2125909296).

Almost surely, 2^44442442220 is an apocalyptic number.

It is an amenable number.

44442442220 is an abundant number, since it is smaller than the sum of its proper divisors (57601203988).

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

44442442220 is a wasteful number, since it uses less digits than its factorization.

44442442220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456470 (or 456468 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 44442442220 its reverse (2224424444), we get a palindrome (46666866664).

The spelling of 44442442220 in words is "forty-four billion, four hundred forty-two million, four hundred forty-two thousand, two hundred twenty".