198315246290 has 32 divisors (see below), whose sum is σ = 412002042624. Its totient is φ = 67320590400.

The previous prime is 198315246289. The next prime is 198315246313. The reversal of 198315246290 is 92642513891.

It is a super-2 number, since 2×198315246290² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14018054 + ... + 14032193.

It is an arithmetic number, because the mean of its divisors is an integer number (12875063832).

Almost surely, 2^198315246290 is an apocalyptic number.

198315246290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

198315246290 is an abundant number, since it is smaller than the sum of its proper divisors (213686796334).

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

198315246290 is a wasteful number, since it uses less digits than its factorization.

198315246290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28050362.

The product of its (nonzero) digits is 933120, while the sum is 50.

The spelling of 198315246290 in words is "one hundred ninety-eight billion, three hundred fifteen million, two hundred forty-six thousand, two hundred ninety".