98798579040 has 384 divisors, whose sum is σ = 385791372288. Its totient is φ = 20735262720.

The previous prime is 98798578997. The next prime is 98798579041. The reversal of 98798579040 is 4097589789.

It is a super-2 number, since 2×98798579040² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98798579041) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2320827 + ... + 2363013.

It is an arithmetic number, because the mean of its divisors is an integer number (1004665032).

Almost surely, 2^98798579040 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 98798579040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192895686144).

98798579040 is an abundant number, since it is smaller than the sum of its proper divisors (286992793248).

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

98798579040 is a wasteful number, since it uses less digits than its factorization.

98798579040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42270 (or 42262 counting only the distinct ones).

The product of its (nonzero) digits is 45722880, while the sum is 66.

The spelling of 98798579040 in words is "ninety-eight billion, seven hundred ninety-eight million, five hundred seventy-nine thousand, forty".