98409239936 has 128 divisors (see below), whose sum is σ = 228696125760. Its totient is φ = 41305006080.

The previous prime is 98409239893. The next prime is 98409239953. The reversal of 98409239936 is 63993290489.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent 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, 32147846 + ... + 32150906.

Almost surely, 2^98409239936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 98409239936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114348062880).

98409239936 is an abundant number, since it is smaller than the sum of its proper divisors (130286885824).

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

98409239936 is a wasteful number, since it uses less digits than its factorization.

98409239936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3812 (or 3800 counting only the distinct ones).

The product of its (nonzero) digits is 22674816, while the sum is 62.

The spelling of 98409239936 in words is "ninety-eight billion, four hundred nine million, two hundred thirty-nine thousand, nine hundred thirty-six".