42945798198 has 16 divisors (see below), whose sum is σ = 85970626560. Its totient is φ = 14302094376.

The previous prime is 42945798167. The next prime is 42945798227. The reversal of 42945798198 is 89189754924.

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, 3285858 + ... + 3298901.

It is an arithmetic number, because the mean of its divisors is an integer number (5373164160).

Almost surely, 2^42945798198 is an apocalyptic number.

42945798198 is an abundant number, since it is smaller than the sum of its proper divisors (43024828362).

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

42945798198 is a wasteful number, since it uses less digits than its factorization.

42945798198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6585851.

The product of its digits is 52254720, while the sum is 66.

The spelling of 42945798198 in words is "forty-two billion, nine hundred forty-five million, seven hundred ninety-eight thousand, one hundred ninety-eight".