44440240220 has 24 divisors (see below), whose sum is σ = 93516156384. Its totient is φ = 17739590976.

The previous prime is 44440240219. The next prime is 44440240231. The reversal of 44440240220 is 2204204444.

It is a super-2 number, since 2×44440240220² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 44440240220.

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, 2271587 + ... + 2291066.

It is an arithmetic number, because the mean of its divisors is an integer number (3896506516).

Almost surely, 2^44440240220 is an apocalyptic number.

It is an amenable number.

44440240220 is an abundant number, since it is smaller than the sum of its proper divisors (49075916164).

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

44440240220 is a wasteful number, since it uses less digits than its factorization.

44440240220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4563149 (or 4563147 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 44440240220 its reverse (2204204444), we get a palindrome (46644444664).

The spelling of 44440240220 in words is "forty-four billion, four hundred forty million, two hundred forty thousand, two hundred twenty".