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42550272000 = 213375319
BaseRepresentation
bin100111101000001100…
…011010000000000000
311001211101211210000000
4213220030122000000
51144120332201000
631314120000000
73034302226065
oct475014320000
9131741753000
1042550272000
1117055579155
1282b6000000
134021533b52
1420b9186c6c
151190843000
hex9e831a000

42550272000 has 896 divisors, whose sum is σ = 167657068800. Its totient is φ = 10749542400.

The previous prime is 42550271983. The next prime is 42550272001. The reversal of 42550272000 is 27205524.

42550272000 is a `hidden beast` number, since 42 + 550 + 2 + 72 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (42550272001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2239487991 + ... + 2239488009.

Almost surely, 242550272000 is an apocalyptic number.

42550272000 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 42550272000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83828534400).

42550272000 is an abundant number, since it is smaller than the sum of its proper divisors (125106796800).

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

42550272000 is an frugal number, since it uses more digits than its factorization.

42550272000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81 (or 29 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

Adding to 42550272000 its reverse (27205524), we get a palindrome (42577477524).

The spelling of 42550272000 in words is "forty-two billion, five hundred fifty million, two hundred seventy-two thousand".