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40014120240 = 2432555575167
BaseRepresentation
bin100101010001000001…
…110000010100110000
310211021122121220211100
4211101001300110300
51123422103321430
630214321244400
72614405260453
oct452101602460
9124248556740
1040014120240
1115a73a22866
127908793700
133a08c87633
141d1840549a
151092d75960
hex951070530

40014120240 has 60 divisors (see below), whose sum is σ = 134380756224. Its totient is φ = 10670431872.

The previous prime is 40014120239. The next prime is 40014120301. The reversal of 40014120240 is 4202141004.

40014120240 is a `hidden beast` number, since 400 + 1 + 4 + 1 + 20 + 240 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×400141202402 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27786864 + ... + 27788303.

Almost surely, 240014120240 is an apocalyptic number.

40014120240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40014120240 is an abundant number, since it is smaller than the sum of its proper divisors (94366635984).

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

40014120240 is a wasteful number, since it uses less digits than its factorization.

40014120240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55575186 (or 55575177 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 40014120240 its reverse (4202141004), we get a palindrome (44216261244).

The spelling of 40014120240 in words is "forty billion, fourteen million, one hundred twenty thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 180 240 360 720 55575167 111150334 166725501 222300668 277875835 333451002 444601336 500176503 555751670 666902004 833627505 889202672 1000353006 1111503340 1333804008 1667255010 2000706012 2223006680 2500882515 2667608016 3334510020 4001412024 4446013360 5001765030 6669020040 8002824048 10003530060 13338040080 20007060120 40014120240