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41989818240 = 273258099011
BaseRepresentation
bin100111000110110010…
…011100011110000000
311000101100020202222100
4213012302130132000
51141443343140430
631142335310400
73014355365106
oct470662343600
9130340222870
1041989818240
1116898180a27
12817a37b400
133c623a33c6
142064975c76
15115b537960
hex9c6c9c780

41989818240 has 192 divisors, whose sum is σ = 145191430800. Its totient is φ = 11182202880.

The previous prime is 41989818229. The next prime is 41989818263. The reversal of 41989818240 is 4281898914.

It is a happy number.

41989818240 is a `hidden beast` number, since 419 + 8 + 9 + 8 + 182 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4655335 + ... + 4664345.

Almost surely, 241989818240 is an apocalyptic number.

41989818240 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 41989818240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72595715400).

41989818240 is an abundant number, since it is smaller than the sum of its proper divisors (103201612560).

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

41989818240 is a wasteful number, since it uses less digits than its factorization.

41989818240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9845 (or 9830 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 54.

The spelling of 41989818240 in words is "forty-one billion, nine hundred eighty-nine million, eight hundred eighteen thousand, two hundred forty".