198567092440 has 16 divisors (see below), whose sum is σ = 446775958080. Its totient is φ = 79426836960.

The previous prime is 198567092413. The next prime is 198567092443. The reversal of 198567092440 is 44290765891.

198567092440 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198567092443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2482088616 + ... + 2482088695.

It is an arithmetic number, because the mean of its divisors is an integer number (27923497380).

Almost surely, 2^198567092440 is an apocalyptic number.

198567092440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

198567092440 is an abundant number, since it is smaller than the sum of its proper divisors (248208865640).

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

198567092440 is a wasteful number, since it uses less digits than its factorization.

198567092440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4964177322 (or 4964177318 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 198567092440 in words is "one hundred ninety-eight billion, five hundred sixty-seven million, ninety-two thousand, four hundred forty".