42175421254 has 16 divisors (see below), whose sum is σ = 63430589376. Its totient is φ = 21031936000.

The previous prime is 42175421219. The next prime is 42175421297. The reversal of 42175421254 is 45212457124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2157894 + ... + 2177350.

It is an arithmetic number, because the mean of its divisors is an integer number (3964411836).

Almost surely, 2^42175421254 is an apocalyptic number.

42175421254 is a deficient number, since it is larger than the sum of its proper divisors (21255168122).

42175421254 is a wasteful number, since it uses less digits than its factorization.

42175421254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22271.

The product of its digits is 89600, while the sum is 37.

Adding to 42175421254 its reverse (45212457124), we get a palindrome (87387878378).

The spelling of 42175421254 in words is "forty-two billion, one hundred seventy-five million, four hundred twenty-one thousand, two hundred fifty-four".