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40085525090 = 25133779105491
BaseRepresentation
bin100101010101010010…
…001001001001100010
310211110121222122212102
4211111102021021202
51124043343300330
630225351530402
72616233225042
oct452522111142
9124417878772
1040085525090
1116000263336
127928689a02
133a1a9c8720
141d23ab1722
15109927c945
hex955489262

40085525090 has 64 divisors (see below), whose sum is σ = 80815311360. Its totient is φ = 14218364160.

The previous prime is 40085525047. The next prime is 40085525113. The reversal of 40085525090 is 9052558004.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 327245 + ... + 432735.

It is an arithmetic number, because the mean of its divisors is an integer number (1262739240).

Almost surely, 240085525090 is an apocalyptic number.

40085525090 is an abundant number, since it is smaller than the sum of its proper divisors (40729786270).

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

40085525090 is a wasteful number, since it uses less digits than its factorization.

40085525090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105627.

The product of its (nonzero) digits is 72000, while the sum is 38.

The spelling of 40085525090 in words is "forty billion, eighty-five million, five hundred twenty-five thousand, ninety".

Divisors: 1 2 5 10 13 26 37 65 74 79 130 158 185 370 395 481 790 962 1027 2054 2405 2923 4810 5135 5846 10270 14615 29230 37999 75998 105491 189995 210982 379990 527455 1054910 1371383 2742766 3903167 6856915 7806334 8333789 13713830 16667578 19515835 39031670 41668945 50741171 83337890 101482342 108339257 216678514 253705855 308350193 507411710 541696285 616700386 1083392570 1541750965 3083501930 4008552509 8017105018 20042762545 40085525090