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400048044044 = 221131812858221
BaseRepresentation
bin1011101001001001011…
…10001011100000001100
31102020121000222021000212
411310210232023200030
523023244244402134
6503440213541552
740621364161055
oct5644456134014
91366530867025
10400048044044
11144728767620
12656473448b8
132b95559037c
141551070b72c
15a615c38bce
hex5d24b8b80c

400048044044 has 24 divisors (see below), whose sum is σ = 763968441936. Its totient is φ = 181782792000.

The previous prime is 400048043999. The next prime is 400048044101. The reversal of 400048044044 is 440440840004.

It is a super-3 number, since 3×4000480440443 (a number of 36 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 400048044044.

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 7 ways as a sum of consecutive naturals, for example, 1289147 + ... + 1569074.

It is an arithmetic number, because the mean of its divisors is an integer number (31832018414).

Almost surely, 2400048044044 is an apocalyptic number.

400048044044 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

400048044044 is a deficient number, since it is larger than the sum of its proper divisors (363920397892).

400048044044 is a wasteful number, since it uses less digits than its factorization.

400048044044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2861417 (or 2861415 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 32.

Adding to 400048044044 its reverse (440440840004), we get a palindrome (840488884048).

The spelling of 400048044044 in words is "four hundred billion, forty-eight million, forty-four thousand, forty-four".

Divisors: 1 2 4 11 22 44 3181 6362 12724 34991 69982 139964 2858221 5716442 11432884 31440431 62880862 125761724 9092001001 18184002002 36368004004 100012011011 200024022022 400048044044