98018806840 has 32 divisors (see below), whose sum is σ = 223199459280. Its totient is φ = 38735141632.

The previous prime is 98018806777. The next prime is 98018806843. The reversal of 98018806840 is 4860881089.

It is a super-3 number, since 3×98018806840³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98018806843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14758549 + ... + 14765188.

Almost surely, 2^98018806840 is an apocalyptic number.

It is an amenable number.

98018806840 is an abundant number, since it is smaller than the sum of its proper divisors (125180652440).

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

98018806840 is a wasteful number, since it uses less digits than its factorization.

98018806840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29523831 (or 29523827 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 52.

The spelling of 98018806840 in words is "ninety-eight billion, eighteen million, eight hundred six thousand, eight hundred forty".