42198361418 has 16 divisors (see below), whose sum is σ = 69934881600. Its totient is φ = 18994658496.

The previous prime is 42198361379. The next prime is 42198361427. The reversal of 42198361418 is 81416389124.

It is a happy 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, 26980268 + ... + 26981831.

It is an arithmetic number, because the mean of its divisors is an integer number (4370930100).

Almost surely, 2^42198361418 is an apocalyptic number.

42198361418 is a deficient number, since it is larger than the sum of its proper divisors (27736520182).

42198361418 is a wasteful number, since it uses less digits than its factorization.

42198361418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53962141.

The product of its digits is 331776, while the sum is 47.

The spelling of 42198361418 in words is "forty-two billion, one hundred ninety-eight million, three hundred sixty-one thousand, four hundred eighteen".