98683453440 has 1080 divisors, whose sum is σ = 417933536328. Its totient is φ = 22083010560.

The previous prime is 98683453439. The next prime is 98683453441. The reversal of 98683453440 is 4435438689.

98683453440 is a `hidden beast` number, since 9 + 8 + 68 + 3 + 4 + 534 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (98683453439) and next prime (98683453441).

It is a tau number, because it is divible by the number of its divisors (1080).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98683453441) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 7591034874 + ... + 7591034886.

Almost surely, 2^98683453440 is an apocalyptic number.

98683453440 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 98683453440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208966768164).

98683453440 is an abundant number, since it is smaller than the sum of its proper divisors (319250082888).

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

98683453440 is an equidigital number, since it uses as much as digits as its factorization.

98683453440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88 (or 34 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 54.

The spelling of 98683453440 in words is "ninety-eight billion, six hundred eighty-three million, four hundred fifty-three thousand, four hundred forty".