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40002220182 = 2337180190181
BaseRepresentation
bin100101010000010100…
…010111000010010110
310211020211020100000110
4211100110113002112
51123411032021212
630213214223450
72614202155431
oct452024270226
9124224210013
1040002220182
1115a68235101
1279047b4b86
133a0667bc92
141d169c8818
151091cc4a3c
hex950517096

40002220182 has 16 divisors (see below), whose sum is σ = 82166722992. Its totient is φ = 12973692960.

The previous prime is 40002220177. The next prime is 40002220183. The reversal of 40002220182 is 28102220004.

It is a happy number.

It is a super-2 number, since 2×400022201822 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40002220183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90094869 + ... + 90095312.

It is an arithmetic number, because the mean of its divisors is an integer number (5135420187).

Almost surely, 240002220182 is an apocalyptic number.

40002220182 is an abundant number, since it is smaller than the sum of its proper divisors (42164502810).

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

40002220182 is a wasteful number, since it uses less digits than its factorization.

40002220182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180190223.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 40002220182 its reverse (28102220004), we get a palindrome (68104440186).

The spelling of 40002220182 in words is "forty billion, two million, two hundred twenty thousand, one hundred eighty-two".

Divisors: 1 2 3 6 37 74 111 222 180190181 360380362 540570543 1081141086 6667036697 13334073394 20001110091 40002220182