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40854816422280 = 233257447221397
BaseRepresentation
bin10010100101000010000001…
…10100011111100110001000
312100122200102101211112012100
421102201000310133212020
520323331131001003110
6222520235450513400
711414443302540000
oct1122410064374610
9170580371745170
1040854816422280
11120214808731a3
1246b9b2b435860
1319a47920b8263
14a13552ac7000
154acada646bc0
hex252840d1f988

40854816422280 has 720 divisors, whose sum is σ = 158271862420620. Its totient is φ = 9139130574336.

The previous prime is 40854816422263. The next prime is 40854816422333. The reversal of 40854816422280 is 8222461845804.

40854816422280 is a `hidden beast` number, since 4 + 0 + 8 + 5 + 481 + 64 + 2 + 22 + 80 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 38150955809316 + 2703860612964 = 6176646^2 + 1644342^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 1909360542 + ... + 1909381938.

Almost surely, 240854816422280 is an apocalyptic number.

40854816422280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40854816422280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79135931210310).

40854816422280 is an abundant number, since it is smaller than the sum of its proper divisors (117417045998340).

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

40854816422280 is a wasteful number, since it uses less digits than its factorization.

40854816422280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21536 (or 21461 counting only the distinct ones).

The product of its (nonzero) digits is 7864320, while the sum is 54.

The spelling of 40854816422280 in words is "forty trillion, eight hundred fifty-four billion, eight hundred sixteen million, four hundred twenty-two thousand, two hundred eighty".