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440004042404 = 221311546154311
BaseRepresentation
bin1100110011100100100…
…10001101111010100100
31120001201122020021121222
412121302102031322210
524202112013324104
6534045101355512
743534465436153
oct6316222157244
91501648207558
10440004042404
1115a6718a1573
1271338568b98
13326524a7854
141742110359a
15b6a392d1be
hex667248dea4

440004042404 has 24 divisors (see below), whose sum is σ = 775949461056. Its totient is φ = 218304476000.

The previous prime is 440004042391. The next prime is 440004042431. The reversal of 440004042404 is 404240400044.

It is a happy number.

It is a super-2 number, since 2×4400040424042 (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8074409 + ... + 8128719.

It is an arithmetic number, because the mean of its divisors is an integer number (32331227544).

Almost surely, 2440004042404 is an apocalyptic number.

It is an amenable number.

440004042404 is a deficient number, since it is larger than the sum of its proper divisors (335945418652).

440004042404 is a wasteful number, since it uses less digits than its factorization.

440004042404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69907 (or 69905 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 440004042404 its reverse (404240400044), we get a palindrome (844244442448).

It can be divided in two parts, 4400040 and 42404, that added together give a palindrome (4442444).

The spelling of 440004042404 in words is "four hundred forty billion, four million, forty-two thousand, four hundred four".

Divisors: 1 2 4 131 262 524 15461 30922 54311 61844 108622 217244 2025391 4050782 7114741 8101564 14229482 28458964 839702371 1679404742 3358809484 110001010601 220002021202 440004042404