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40672860 = 22354714423
BaseRepresentation
bin1001101100100…
…1111001011100
32211112101200020
42123021321130
540403012420
64011432140
71002466524
oct233117134
984471606
1040672860
1120a60138
1211755650
138570ba7
14558a684
153886340
hex26c9e5c

40672860 has 48 divisors (see below), whose sum is σ = 116315136. Its totient is φ = 10614592.

The previous prime is 40672859. The next prime is 40672873. The reversal of 40672860 is 6827604.

It is a congruent number.

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, 4392 + ... + 10031.

It is an arithmetic number, because the mean of its divisors is an integer number (2423232).

Almost surely, 240672860 is an apocalyptic number.

It is an amenable number.

40672860 is an abundant number, since it is smaller than the sum of its proper divisors (75642276).

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

40672860 is a wasteful number, since it uses less digits than its factorization.

40672860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14482 (or 14480 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 40672860 is about 6377.5277341616. The cubic root of 40672860 is about 343.9021602950.

The spelling of 40672860 in words is "forty million, six hundred seventy-two thousand, eight hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 47 60 94 141 188 235 282 470 564 705 940 1410 2820 14423 28846 43269 57692 72115 86538 144230 173076 216345 288460 432690 677881 865380 1355762 2033643 2711524 3389405 4067286 6778810 8134572 10168215 13557620 20336430 40672860