98858888040 has 128 divisors (see below), whose sum is σ = 324742089600. Its totient is φ = 23876613120.

The previous prime is 98858888033. The next prime is 98858888041. The reversal of 98858888040 is 4088885889.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is not an unprimeable number, because it can be changed into a prime (98858888041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 215874 + ... + 494286.

It is an arithmetic number, because the mean of its divisors is an integer number (2537047575).

Almost surely, 2^98858888040 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 98858888040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162371044800).

98858888040 is an abundant number, since it is smaller than the sum of its proper divisors (225883201560).

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

98858888040 is a wasteful number, since it uses less digits than its factorization.

98858888040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278707 (or 278703 counting only the distinct ones).

The product of its (nonzero) digits is 47185920, while the sum is 66.

The spelling of 98858888040 in words is "ninety-eight billion, eight hundred fifty-eight million, eight hundred eighty-eight thousand, forty".