98807869440 has 1040 divisors, whose sum is σ = 414078246912. Its totient is φ = 22072393728.

The previous prime is 98807869427. The next prime is 98807869451. The reversal of 98807869440 is 4496870889.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 778014657 + ... + 778014783.

Almost surely, 2^98807869440 is an apocalyptic number.

98807869440 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 98807869440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207039123456).

98807869440 is an abundant number, since it is smaller than the sum of its proper divisors (315270377472).

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

98807869440 is a wasteful number, since it uses less digits than its factorization.

98807869440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 63.

The spelling of 98807869440 in words is "ninety-eight billion, eight hundred seven million, eight hundred sixty-nine thousand, four hundred forty".