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42221553541200 = 243252113533020399
BaseRepresentation
bin10011001100110011110001…
…01100110110000001010000
312112111100012122211212220200
421212121320230312001100
521013224220201304300
6225444151450335200
711615256312424245
oct1146317054660120
9175440178755820
1042221553541200
11124a9073295620
12489a9a0a2a500
131a73624643077
14a5d7697b15cc
154d342d4ad200
hex266678b36050

42221553541200 has 360 divisors, whose sum is σ = 160293425385600. Its totient is φ = 10206528921600.

The previous prime is 42221553541187. The next prime is 42221553541241. The reversal of 42221553541200 is 214535512224.

42221553541200 is a `hidden beast` number, since 4 + 22 + 21 + 5 + 53 + 541 + 20 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 12468601 + ... + 15488999.

It is an arithmetic number, because the mean of its divisors is an integer number (445259514960).

Almost surely, 242221553541200 is an apocalyptic number.

42221553541200 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 42221553541200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80146712692800).

42221553541200 is an abundant number, since it is smaller than the sum of its proper divisors (118071871844400).

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

42221553541200 is a wasteful number, since it uses less digits than its factorization.

42221553541200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3020787 (or 3020773 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The spelling of 42221553541200 in words is "forty-two trillion, two hundred twenty-one billion, five hundred fifty-three million, five hundred forty-one thousand, two hundred".