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445494058979424 = 253721311777618581
BaseRepresentation
bin110010101001011001010101…
…1001000101001000001100000
32011102100211000221102211222220
41211102302223020221001200
5431342433313044320144
64215253051222231040
7162556612036546200
oct14522625310510140
92142324027384886
10445494058979424
11119a47a73318a64
1241b6b896b85480
1316176ba923c040
147c02055674400
1536784c9817919
hex1952cab229060

445494058979424 has 288 divisors, whose sum is σ = 1465116841240416. Its totient is φ = 117482772234240.

The previous prime is 445494058979419. The next prime is 445494058979479. The reversal of 445494058979424 is 424979850494544.

It is a Harshad number since it is a multiple of its sum of digits (78).

It is a self number, because there is not a number n which added to its sum of digits gives 445494058979424.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 719877814 + ... + 720496394.

It is an arithmetic number, because the mean of its divisors is an integer number (5087211254307).

Almost surely, 2445494058979424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 445494058979424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (732558420620208).

445494058979424 is an abundant number, since it is smaller than the sum of its proper divisors (1019622782260992).

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

445494058979424 is a wasteful number, since it uses less digits than its factorization.

445494058979424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630398 (or 630383 counting only the distinct ones).

The product of its (nonzero) digits is 8360755200, while the sum is 78.

The spelling of 445494058979424 in words is "four hundred forty-five trillion, four hundred ninety-four billion, fifty-eight million, nine hundred seventy-nine thousand, four hundred twenty-four".