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494240328890880 = 293511213210131159
BaseRepresentation
bin111000001100000100100101…
…1001111001011101000000000
32101210221220200022020200222220
41300120021023033023220000
51004240113143144002010
64511054512252531040
7206050454043336645
oct16030111317135000
92353856608220886
10494240328890880
11133531167927200
1247523106180a80
13182a18808aa600
148a0950688ddcc
153c214d26da970
hex1c1824b3cba00

494240328890880 has 1440 divisors, whose sum is σ = 1899272267544960. Its totient is φ = 109500678144000.

The previous prime is 494240328890879. The next prime is 494240328890941. The reversal of 494240328890880 is 88098823042494.

It is a super-2 number, since 2×4942403288908802 (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 15861864741 + ... + 15861895899.

It is an arithmetic number, because the mean of its divisors is an integer number (1318939074684).

Almost surely, 2494240328890880 is an apocalyptic number.

494240328890880 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 494240328890880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (949636133772480).

494240328890880 is an abundant number, since it is smaller than the sum of its proper divisors (1405031938654080).

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

494240328890880 is a wasteful number, since it uses less digits than its factorization.

494240328890880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31334 (or 31294 counting only the distinct ones).

The product of its (nonzero) digits is 254803968, while the sum is 69.

The spelling of 494240328890880 in words is "four hundred ninety-four trillion, two hundred forty billion, three hundred twenty-eight million, eight hundred ninety thousand, eight hundred eighty".