420110110461 has 4 divisors (see below), whose sum is σ = 560146813952. Its totient is φ = 280073406972.

The previous prime is 420110110423. The next prime is 420110110477. The reversal of 420110110461 is 164011011024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 420110110461 - 2⁶ = 420110110397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420110110061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70018351741 + ... + 70018351746.

It is an arithmetic number, because the mean of its divisors is an integer number (140036703488).

Almost surely, 2^420110110461 is an apocalyptic number.

It is an amenable number.

420110110461 is a deficient number, since it is larger than the sum of its proper divisors (140036703491).

420110110461 is a wasteful number, since it uses less digits than its factorization.

420110110461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140036703490.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 420110110461 its reverse (164011011024), we get a palindrome (584121121485).

The spelling of 420110110461 in words is "four hundred twenty billion, one hundred ten million, one hundred ten thousand, four hundred sixty-one".