42155242300 has 18 divisors (see below), whose sum is σ = 91476876008. Its totient is φ = 16862096880.

The previous prime is 42155242277. The next prime is 42155242309. The reversal of 42155242300 is 324255124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42155242309) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 210776112 + ... + 210776311.

Almost surely, 2^42155242300 is an apocalyptic number.

It is an amenable number.

42155242300 is an abundant number, since it is smaller than the sum of its proper divisors (49321633708).

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

42155242300 is a wasteful number, since it uses less digits than its factorization.

42155242300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421552437 (or 421552430 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 42155242300 its reverse (324255124), we get a palindrome (42479497424).

The spelling of 42155242300 in words is "forty-two billion, one hundred fifty-five million, two hundred forty-two thousand, three hundred".