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440040040404 = 223130681280607
BaseRepresentation
bin1100110011101000110…
…11100010011111010100
31120001211010222011121020
412121310123202133110
524202200222243104
6534052425121140
743535413425456
oct6316433423724
91501733864536
10440040040404
1115a690149388
12713486291b0
1332659a9c943
1417425bd42d6
15b6a6b8e2d9
hex66746e27d4

440040040404 has 24 divisors (see below), whose sum is σ = 1026771610368. Its totient is φ = 146678368320.

The previous prime is 440040040393. The next prime is 440040040411. The reversal of 440040040404 is 404040040044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1427869 + ... + 1708475.

It is an arithmetic number, because the mean of its divisors is an integer number (42782150432).

Almost surely, 2440040040404 is an apocalyptic number.

It is an amenable number.

440040040404 is an abundant number, since it is smaller than the sum of its proper divisors (586731569964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

440040040404 is a wasteful number, since it uses less digits than its factorization.

440040040404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411295 (or 411293 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 440040040404 its reverse (404040040044), we get a palindrome (844080080448).

The spelling of 440040040404 in words is "four hundred forty billion, forty million, forty thousand, four hundred four".

Divisors: 1 2 3 4 6 12 130681 261362 280607 392043 522724 561214 784086 841821 1122428 1568172 1683642 3367284 36670003367 73340006734 110010010101 146680013468 220020020202 440040040404