42288417898 has 8 divisors (see below), whose sum is σ = 67163957892. Its totient is φ = 19900431936.

The previous prime is 42288417889. The next prime is 42288417917. The reversal of 42288417898 is 89871488224.

It can be written as a sum of positive squares in 2 ways, for example, as 39849342129 + 2439075769 = 199623^2 + 49387^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 621888465 + ... + 621888532.

Almost surely, 2^42288417898 is an apocalyptic number.

42288417898 is a deficient number, since it is larger than the sum of its proper divisors (24875539994).

42288417898 is a wasteful number, since it uses less digits than its factorization.

42288417898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243777016.

The product of its digits is 16515072, while the sum is 61.

The spelling of 42288417898 in words is "forty-two billion, two hundred eighty-eight million, four hundred seventeen thousand, eight hundred ninety-eight".