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40160768220 = 2233574371793
BaseRepresentation
bin100101011001110001…
…001011000011011100
310211122212120102001000
4211121301023003130
51124222124040340
630241040350300
72621135616546
oct453161130334
9124585512030
1040160768220
1116039785641
127949915390
133a304818a1
141d2da9a696
1510a0b91d30
hex959c4b0dc

40160768220 has 48 divisors (see below), whose sum is σ = 124944613920. Its totient is φ = 10709538048.

The previous prime is 40160768209. The next prime is 40160768267. The reversal of 40160768220 is 2286706104.

40160768220 is a `hidden beast` number, since 40 + 1 + 607 + 6 + 8 + 2 + 2 + 0 = 666.

It is a super-2 number, since 2×401607682202 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37185357 + ... + 37186436.

It is an arithmetic number, because the mean of its divisors is an integer number (2603012790).

Almost surely, 240160768220 is an apocalyptic number.

It is an amenable number.

40160768220 is an abundant number, since it is smaller than the sum of its proper divisors (84783845700).

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

40160768220 is a wasteful number, since it uses less digits than its factorization.

40160768220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74371811 (or 74371803 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 40160768220 in words is "forty billion, one hundred sixty million, seven hundred sixty-eight thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 74371793 148743586 223115379 297487172 371858965 446230758 669346137 743717930 892461516 1115576895 1338692274 1487435860 2008038411 2231153790 2677384548 3346730685 4016076822 4462307580 6693461370 8032153644 10040192055 13386922740 20080384110 40160768220