42144402403 has 4 divisors (see below), whose sum is σ = 42151871200. Its totient is φ = 42136933608.

The previous prime is 42144402401. The next prime is 42144402427. The reversal of 42144402403 is 30420444124.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42144402403 - 2¹ = 42144402401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42144402401) 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, 3725928 + ... + 3737221.

It is an arithmetic number, because the mean of its divisors is an integer number (10537967800).

Almost surely, 2^42144402403 is an apocalyptic number.

42144402403 is a deficient number, since it is larger than the sum of its proper divisors (7468797).

42144402403 is an equidigital number, since it uses as much as digits as its factorization.

42144402403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7468796.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 42144402403 its reverse (30420444124), we get a palindrome (72564846527).

The spelling of 42144402403 in words is "forty-two billion, one hundred forty-four million, four hundred two thousand, four hundred three".