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4440440441 = 10039442319
BaseRepresentation
bin1000010001010101…
…11011111001111001
3102110110110202011002
410020222323321321
533043223043231
62012342014345
7215016056333
oct41052737171
912413422132
104440440441
111979570698
12a3b1173b5
13559c52168
14301a44453
151aec760cb
hex108abbe79

4440440441 has 4 divisors (see below), whose sum is σ = 4440892800. Its totient is φ = 4439988084.

The previous prime is 4440440393. The next prime is 4440440483. The reversal of 4440440441 is 1440440444.

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 4440440441 - 26 = 4440440377 is a prime.

It is a super-2 number, since 2×44404404412 = 39435022620136548962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4440440941) 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, 211121 + ... + 231198.

It is an arithmetic number, because the mean of its divisors is an integer number (1110223200).

Almost surely, 24440440441 is an apocalyptic number.

It is an amenable number.

4440440441 is a deficient number, since it is larger than the sum of its proper divisors (452359).

4440440441 is a wasteful number, since it uses less digits than its factorization.

4440440441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452358.

The product of its (nonzero) digits is 16384, while the sum is 29.

The square root of 4440440441 is about 66636.6298742666. The cubic root of 4440440441 is about 1643.6474984616.

Adding to 4440440441 its reverse (1440440444), we get a palindrome (5880880885).

The spelling of 4440440441 in words is "four billion, four hundred forty million, four hundred forty thousand, four hundred forty-one".

Divisors: 1 10039 442319 4440440441