42406211203 has 4 divisors (see below), whose sum is σ = 42430403608. Its totient is φ = 42382018800.

The previous prime is 42406211189. The next prime is 42406211227. The reversal of 42406211203 is 30211260424.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42406211203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42406211233) 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, 12093573 + ... + 12097078.

It is an arithmetic number, because the mean of its divisors is an integer number (10607600902).

Almost surely, 2^42406211203 is an apocalyptic number.

42406211203 is a deficient number, since it is larger than the sum of its proper divisors (24192405).

42406211203 is a wasteful number, since it uses less digits than its factorization.

42406211203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24192404.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 42406211203 its reverse (30211260424), we get a palindrome (72617471627).

The spelling of 42406211203 in words is "forty-two billion, four hundred six million, two hundred eleven thousand, two hundred three".