42550261200 has 120 divisors (see below), whose sum is σ = 151447449600. Its totient is φ = 11346733440.

The previous prime is 42550261147. The next prime is 42550261217. The reversal of 42550261200 is 216205524.

42550261200 is a `hidden beast` number, since 42 + 5 + 5 + 0 + 2 + 612 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1959120 + ... + 1980719.

It is an arithmetic number, because the mean of its divisors is an integer number (1262062080).

Almost surely, 2^42550261200 is an apocalyptic number.

42550261200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42550261200 is an abundant number, since it is smaller than the sum of its proper divisors (108897188400).

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

42550261200 is a wasteful number, since it uses less digits than its factorization.

42550261200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3939866 (or 3939849 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 42550261200 its reverse (216205524), we get a palindrome (42766466724).

The spelling of 42550261200 in words is "forty-two billion, five hundred fifty million, two hundred sixty-one thousand, two hundred".