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444120449240 = 23513854077787
BaseRepresentation
bin1100111011001111010…
…01000100000011011000
31120110100111222102020102
412131213221010003120
524234024313333430
6540005350314532
744041501350236
oct6354751040330
91513314872212
10444120449240
11161394462996
12720a7058a48
1332b5a265840
14176d1ab9956
15b844ee9345
hex6767a440d8

444120449240 has 32 divisors (see below), whose sum is σ = 1076138012880. Its totient is φ = 163982934912.

The previous prime is 444120449231. The next prime is 444120449251. The reversal of 444120449240 is 42944021444.

It is a super-4 number, since 4×4441204492404 (a number of 48 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 444120449194 and 444120449203.

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, 427038374 + ... + 427039413.

Almost surely, 2444120449240 is an apocalyptic number.

444120449240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

444120449240 is an abundant number, since it is smaller than the sum of its proper divisors (632017563640).

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

444120449240 is a wasteful number, since it uses less digits than its factorization.

444120449240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854077811 (or 854077807 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 38.

The spelling of 444120449240 in words is "four hundred forty-four billion, one hundred twenty million, four hundred forty-nine thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 854077787 1708155574 3416311148 4270388935 6832622296 8540777870 11103011231 17081555740 22206022462 34163111480 44412044924 55515056155 88824089848 111030112310 222060224620 444120449240