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8444884040 = 235211122101
BaseRepresentation
bin1111101110101101…
…01011010001001000
3210210112112120001222
413313112223101020
5114243342242130
63513551101212
7416162221115
oct76726532110
923715476058
108444884040
113643a0a40a
121778211808
13a4776b308
145a17d390c
153465c7ce5
hex1f75ab448

8444884040 has 16 divisors (see below), whose sum is σ = 19000989180. Its totient is φ = 3377953600.

The previous prime is 8444883989. The next prime is 8444884043. The reversal of 8444884040 is 404884448.

It can be written as a sum of positive squares in 2 ways, for example, as 7964134564 + 480749476 = 89242^2 + 21926^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8444883982 and 8444884000.

It is not an unprimeable number, because it can be changed into a prime (8444884043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105561011 + ... + 105561090.

Almost surely, 28444884040 is an apocalyptic number.

It is an amenable number.

8444884040 is an abundant number, since it is smaller than the sum of its proper divisors (10556105140).

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

8444884040 is a wasteful number, since it uses less digits than its factorization.

8444884040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211122112 (or 211122108 counting only the distinct ones).

The product of its (nonzero) digits is 524288, while the sum is 44.

The square root of 8444884040 is about 91896.0501871544. The cubic root of 8444884040 is about 2036.4069168653.

It can be divided in two parts, 844 and 4884040, that added together give a palindrome (4884884).

The spelling of 8444884040 in words is "eight billion, four hundred forty-four million, eight hundred eighty-four thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 211122101 422244202 844488404 1055610505 1688976808 2111221010 4222442020 8444884040