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44422242420 = 2235838920129
BaseRepresentation
bin101001010111110001…
…011010000001110100
311020122212021201122210
4221113301122001310
51211434043224140
632223550453420
73131552554563
oct512761320164
9136585251583
1044422242420
111792621a246
128738b04270
13425c30255a
142215a35bda
15124ed65d80
hexa57c5a074

44422242420 has 48 divisors (see below), whose sum is σ = 125880874560. Its totient is φ = 11703207936.

The previous prime is 44422242419. The next prime is 44422242443. The reversal of 44422242420 is 2424222444.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4455085 + ... + 4465044.

It is an arithmetic number, because the mean of its divisors is an integer number (2622518220).

Almost surely, 244422242420 is an apocalyptic number.

It is an amenable number.

44422242420 is an abundant number, since it is smaller than the sum of its proper divisors (81458632140).

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

44422242420 is a wasteful number, since it uses less digits than its factorization.

44422242420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8920224 (or 8920222 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 44422242420 its reverse (2424222444), we get a palindrome (46846464864).

It can be divided in two parts, 444222424 and 20, that added together give a palindrome (444222444).

The spelling of 44422242420 in words is "forty-four billion, four hundred twenty-two million, two hundred forty-two thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 83 166 249 332 415 498 830 996 1245 1660 2490 4980 8920129 17840258 26760387 35680516 44600645 53520774 89201290 107041548 133801935 178402580 267603870 535207740 740370707 1480741414 2221112121 2961482828 3701853535 4442224242 7403707070 8884448484 11105560605 14807414140 22211121210 44422242420