98118311840 has 48 divisors (see below), whose sum is σ = 233360303400. Its totient is φ = 38983910400.

The previous prime is 98118311821. The next prime is 98118311873. The reversal of 98118311840 is 4811381189.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 87159571984 + 10958739856 = 295228^2 + 104684^2 .

It is a junction number, because it is equal to n+sod(n) for n = 98118311791 and 98118311800.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2034011 + ... + 2081690.

Almost surely, 2^98118311840 is an apocalyptic number.

It is an amenable number.

98118311840 is an abundant number, since it is smaller than the sum of its proper divisors (135241991560).

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

98118311840 is a wasteful number, since it uses less digits than its factorization.

98118311840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4115865 (or 4115857 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 44.

The spelling of 98118311840 in words is "ninety-eight billion, one hundred eighteen million, three hundred eleven thousand, eight hundred forty".