Base | Representation |
---|---|
bin | 100101010010110100… |
… | …000010101111010000 |
3 | 10211100202000001000001 |
4 | 211102310002233100 |
5 | 1124002241030310 |
6 | 30221311335344 |
7 | 2615221031104 |
oct | 452264025720 |
9 | 124322001001 |
10 | 40044080080 |
11 | 15a89926064 |
12 | 7916821554 |
13 | 3a12247254 |
14 | 1d1c3a3904 |
15 | 10957e293a |
hex | 952d02bd0 |
40044080080 has 80 divisors (see below), whose sum is σ = 99520130304. Its totient is φ = 14947496960.
The previous prime is 40044080077. The next prime is 40044080107. The reversal of 40044080080 is 8008044004.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (80).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189964 + ... + 340843.
Almost surely, 240044080080 is an apocalyptic number.
40044080080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
40044080080 is an abundant number, since it is smaller than the sum of its proper divisors (59476050224).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40044080080 is a wasteful number, since it uses less digits than its factorization.
40044080080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 530884 (or 530878 counting only the distinct ones).
The product of its (nonzero) digits is 4096, while the sum is 28.
The spelling of 40044080080 in words is "forty billion, forty-four million, eighty thousand, eighty".
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