42112213398 has 48 divisors (see below), whose sum is σ = 91804078080. Its totient is φ = 13951194288.

The previous prime is 42112213397. The next prime is 42112213399. The reversal of 42112213398 is 89331221124.

42112213398 is a `hidden beast` number, since 42 + 1 + 1 + 221 + 3 + 398 = 666.

It is an interprime number because it is at equal distance from previous prime (42112213397) and next prime (42112213399).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42112213397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10202011 + ... + 10206137.

It is an arithmetic number, because the mean of its divisors is an integer number (1912584960).

Almost surely, 2^42112213398 is an apocalyptic number.

42112213398 is an abundant number, since it is smaller than the sum of its proper divisors (49691864682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42112213398 is a wasteful number, since it uses less digits than its factorization.

42112213398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7481 (or 7478 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The spelling of 42112213398 in words is "forty-two billion, one hundred twelve million, two hundred thirteen thousand, three hundred ninety-eight".