242105400051 has 8 divisors (see below), whose sum is σ = 322811490960. Its totient is φ = 161401454592.

The previous prime is 242105400049. The next prime is 242105400077. The reversal of 242105400051 is 150004501242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 242105400051 - 2¹ = 242105400049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 242105399994 and 242105400030.

It is not an unprimeable number, because it can be changed into a prime (242105400041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251430 + ... + 739883.

It is an arithmetic number, because the mean of its divisors is an integer number (40351436370).

Almost surely, 2^242105400051 is an apocalyptic number.

242105400051 is a deficient number, since it is larger than the sum of its proper divisors (80706090909).

242105400051 is an equidigital number, since it uses as much as digits as its factorization.

242105400051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072725.

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 242105400051 its reverse (150004501242), we get a palindrome (392109901293).

The spelling of 242105400051 in words is "two hundred forty-two billion, one hundred five million, four hundred thousand, fifty-one".