42455440203 has 16 divisors (see below), whose sum is σ = 62765720832. Its totient is φ = 25308756000.

The previous prime is 42455440177. The next prime is 42455440219. The reversal of 42455440203 is 30204455424.

42455440203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42455440203 - 2⁵ = 42455440171 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (42455400203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10543303 + ... + 10547328.

It is an arithmetic number, because the mean of its divisors is an integer number (3922857552).

Almost surely, 2^42455440203 is an apocalyptic number.

42455440203 is a deficient number, since it is larger than the sum of its proper divisors (20310280629).

42455440203 is a wasteful number, since it uses less digits than its factorization.

42455440203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21090706.

The product of its (nonzero) digits is 76800, while the sum is 33.

Adding to 42455440203 its reverse (30204455424), we get a palindrome (72659895627).

The spelling of 42455440203 in words is "forty-two billion, four hundred fifty-five million, four hundred forty thousand, two hundred three".