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2440043441 = 111929402581
BaseRepresentation
bin1001000101110000…
…0001101110110001
320022001101001100022
42101130001232301
514444122342231
61042042333225
7114316012163
oct22134015661
96261331308
102440043441
111042382830
125811ba215
132cb6991b4
141920c4933
15e4335c7b
hex91701bb1

2440043441 has 16 divisors (see below), whose sum is σ = 2898590400. Its totient is φ = 2029003200.

The previous prime is 2440043429. The next prime is 2440043467. The reversal of 2440043441 is 1443400442.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2440043441 - 210 = 2440042417 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2440043441.

It is not an unprimeable number, because it can be changed into a prime (2440043341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195230 + ... + 207351.

It is an arithmetic number, because the mean of its divisors is an integer number (181161900).

Almost surely, 22440043441 is an apocalyptic number.

It is an amenable number.

2440043441 is a deficient number, since it is larger than the sum of its proper divisors (458546959).

2440043441 is a wasteful number, since it uses less digits than its factorization.

2440043441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402640.

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 2440043441 is about 49396.7958576262. The cubic root of 2440043441 is about 1346.2710888886.

Adding to 2440043441 its reverse (1443400442), we get a palindrome (3883443883).

The spelling of 2440043441 in words is "two billion, four hundred forty million, forty-three thousand, four hundred forty-one".

Divisors: 1 11 19 29 209 319 551 6061 402581 4428391 7649039 11674849 84139429 128423339 221822131 2440043441