Base | Representation |
---|---|
bin | 100101010010111001… |
… | …001001111101110101 |
3 | 10211100211112010120201 |
4 | 211102321021331311 |
5 | 1124003111423110 |
6 | 30221400200501 |
7 | 2615235312544 |
oct | 452271117565 |
9 | 124324463521 |
10 | 40045420405 |
11 | 15a8a661071 |
12 | 7917169131 |
13 | 3a125c6343 |
14 | 1d1c63215b |
15 | 10959a9b3a |
hex | 952e49f75 |
40045420405 has 64 divisors (see below), whose sum is σ = 54942105600. Its totient is φ = 27841397760.
The previous prime is 40045420397. The next prime is 40045420489. The reversal of 40045420405 is 50402454004.
It is not a de Polignac number, because 40045420405 - 23 = 40045420397 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 43574536 + ... + 43575454.
It is an arithmetic number, because the mean of its divisors is an integer number (858470400).
Almost surely, 240045420405 is an apocalyptic number.
It is an amenable number.
40045420405 is a deficient number, since it is larger than the sum of its proper divisors (14896685195).
40045420405 is a wasteful number, since it uses less digits than its factorization.
40045420405 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1714.
The product of its (nonzero) digits is 12800, while the sum is 28.
Adding to 40045420405 its reverse (50402454004), we get a palindrome (90447874409).
The spelling of 40045420405 in words is "forty billion, forty-five million, four hundred twenty thousand, four hundred five".
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