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4040044400440 = 235353928539449
BaseRepresentation
bin111010110010100101011…
…010010100111100111000
3112022020001122022000101101
4322302211122110330320
51012143002331303230
612331545404301144
7564612031540216
oct72624532247470
915266048260341
104040044400440
111318411816394
12552ba28417b4
13233c89125739
14dd779787cb6
1570156812aca
hex3aca5694f38

4040044400440 has 32 divisors (see below), whose sum is σ = 9092668770000. Its totient is φ = 1615561072384.

The previous prime is 4040044400393. The next prime is 4040044400461. The reversal of 4040044400440 is 440044400404.

It is a junction number, because it is equal to n+sod(n) for n = 4040044400399 and 4040044400408.

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, 14128165 + ... + 14411284.

Almost surely, 24040044400440 is an apocalyptic number.

4040044400440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4040044400440 is an abundant number, since it is smaller than the sum of its proper divisors (5052624369560).

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

4040044400440 is a wasteful number, since it uses less digits than its factorization.

4040044400440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28542999 (or 28542995 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 4040044400440 its reverse (440044400404), we get a palindrome (4480088800844).

The spelling of 4040044400440 in words is "four trillion, forty billion, forty-four million, four hundred thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 3539 7078 14156 17695 28312 35390 70780 141560 28539449 57078898 114157796 142697245 228315592 285394490 570788980 1141577960 101001110011 202002220022 404004440044 505005550055 808008880088 1010011100110 2020022200220 4040044400440