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2440194887648 = 25717640807481
BaseRepresentation
bin100011100000100110111…
…100110000111111100000
322122021120101012002001102
4203200212330300333200
5304440004342401043
65105002101053532
7341204206212320
oct43404674607740
98567511162042
102440194887648
118609764421a1
12334b143b72a8
1314915643c2ab
148616b071280
154371d5576b8
hex23826f30fe0

2440194887648 has 48 divisors (see below), whose sum is σ = 5813405476704. Its totient is φ = 984280289280.

The previous prime is 2440194887573. The next prime is 2440194887857. The reversal of 2440194887648 is 8467884910442.

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, 320399933 + ... + 320407548.

It is an arithmetic number, because the mean of its divisors is an integer number (121112614098).

Almost surely, 22440194887648 is an apocalyptic number.

2440194887648 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2440194887648 is an abundant number, since it is smaller than the sum of its proper divisors (3373210589056).

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

2440194887648 is a wasteful number, since it uses less digits than its factorization.

2440194887648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640807515 (or 640807507 counting only the distinct ones).

The product of its (nonzero) digits is 99090432, while the sum is 65.

The spelling of 2440194887648 in words is "two trillion, four hundred forty billion, one hundred ninety-four million, eight hundred eighty-seven thousand, six hundred forty-eight".

Divisors: 1 2 4 7 8 14 16 17 28 32 34 56 68 112 119 136 224 238 272 476 544 952 1904 3808 640807481 1281614962 2563229924 4485652367 5126459848 8971304734 10252919696 10893727177 17942609468 20505839392 21787454354 35885218936 43574908708 71770437872 76256090239 87149817416 143540875744 152512180478 174299634832 305024360956 348599269664 610048721912 1220097443824 2440194887648