42210145426 has 16 divisors (see below), whose sum is σ = 63448894080. Its totient is φ = 21060553360.

The previous prime is 42210145421. The next prime is 42210145477. The reversal of 42210145426 is 62454101224.

It is not an unprimeable number, because it can be changed into a prime (42210145421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2457420 + ... + 2474536.

It is an arithmetic number, because the mean of its divisors is an integer number (3965555880).

Almost surely, 2^42210145426 is an apocalyptic number.

42210145426 is a deficient number, since it is larger than the sum of its proper divisors (21238748654).

42210145426 is a wasteful number, since it uses less digits than its factorization.

42210145426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19649.

The product of its (nonzero) digits is 15360, while the sum is 31.

The spelling of 42210145426 in words is "forty-two billion, two hundred ten million, one hundred forty-five thousand, four hundred twenty-six".