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40155261160 = 2357236235289
BaseRepresentation
bin100101011001011100…
…001010100011101000
310211122111012121202211
4211121130022203220
51124214221324120
630240322334504
72621041042150
oct453134124350
9124574177684
1040155261160
1116036664053
127947aba434
133a2c2a4081
141d2d065760
1510a045525a
hex95970a8e8

40155261160 has 64 divisors (see below), whose sum is σ = 107745811200. Its totient is φ = 13168928256.

The previous prime is 40155261151. The next prime is 40155261199. The reversal of 40155261160 is 6116255104.

It is a super-2 number, since 2×401552611602 (a number of 22 digits) contains 22 as substring.

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, 3111205 + ... + 3124084.

It is an arithmetic number, because the mean of its divisors is an integer number (1683528300).

Almost surely, 240155261160 is an apocalyptic number.

40155261160 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40155261160 is an abundant number, since it is smaller than the sum of its proper divisors (67590550040).

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

40155261160 is a wasteful number, since it uses less digits than its factorization.

40155261160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6235330 (or 6235326 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 40155261160 in words is "forty billion, one hundred fifty-five million, two hundred sixty-one thousand, one hundred sixty".

Divisors: 1 2 4 5 7 8 10 14 20 23 28 35 40 46 56 70 92 115 140 161 184 230 280 322 460 644 805 920 1288 1610 3220 6440 6235289 12470578 24941156 31176445 43647023 49882312 62352890 87294046 124705780 143411647 174588092 218235115 249411560 286823294 349176184 436470230 573646588 717058235 872940460 1003881529 1147293176 1434116470 1745880920 2007763058 2868232940 4015526116 5019407645 5736465880 8031052232 10038815290 20077630580 40155261160