Base | Representation |
---|---|
bin | 100101010000011011… |
… | …001010101010001000 |
3 | 10211020221120222121212 |
4 | 211100123022222020 |
5 | 1123412011120423 |
6 | 30213320352252 |
7 | 2614223266460 |
oct | 452033125210 |
9 | 124227528555 |
10 | 40004004488 |
11 | 15a69243738 |
12 | 7905315688 |
13 | 3a06b55196 |
14 | 1d16d30ba0 |
15 | 1092028578 |
hex | 9506caa88 |
40004004488 has 16 divisors (see below), whose sum is σ = 85722866880. Its totient is φ = 17144573328.
The previous prime is 40004004487. The next prime is 40004004511. The reversal of 40004004488 is 88440040004.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (40004004487) 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, 357178556 + ... + 357178667.
It is an arithmetic number, because the mean of its divisors is an integer number (5357679180).
Almost surely, 240004004488 is an apocalyptic number.
It is an amenable number.
40004004488 is an abundant number, since it is smaller than the sum of its proper divisors (45718862392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40004004488 is a wasteful number, since it uses less digits than its factorization.
40004004488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 714357236 (or 714357232 counting only the distinct ones).
The product of its (nonzero) digits is 16384, while the sum is 32.
The spelling of 40004004488 in words is "forty billion, four million, four thousand, four hundred eighty-eight".
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