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440004400441 = 1923158126339
BaseRepresentation
bin1100110011100100100…
…11100101010100111001
31120001201122220110202121
412121302103211110321
524202112111303231
6534045113201241
743534501460044
oct6316223452471
91501648813677
10440004400441
1115a672016571
1271338700221
13326525a17c8
1417421197c5b
15b6a399e311
hex66724e5539

440004400441 has 4 divisors (see below), whose sum is σ = 463162526800. Its totient is φ = 416846274084.

The previous prime is 440004400357. The next prime is 440004400453. The reversal of 440004400441 is 144004400044.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 440004400441 - 27 = 440004400313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440004400841) 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, 11579063151 + ... + 11579063188.

It is an arithmetic number, because the mean of its divisors is an integer number (115790631700).

Almost surely, 2440004400441 is an apocalyptic number.

It is an amenable number.

440004400441 is a deficient number, since it is larger than the sum of its proper divisors (23158126359).

440004400441 is a wasteful number, since it uses less digits than its factorization.

440004400441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23158126358.

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 440004400441 its reverse (144004400044), we get a palindrome (584008800485).

The spelling of 440004400441 in words is "four hundred forty billion, four million, four hundred thousand, four hundred forty-one".

Divisors: 1 19 23158126339 440004400441