988197411240 has 480 divisors, whose sum is σ = 3605659833600. Its totient is φ = 242635461120.

The previous prime is 988197411199. The next prime is 988197411283. The reversal of 988197411240 is 42114791889.

988197411240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

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

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 240376785 + ... + 240380895.

It is an arithmetic number, because the mean of its divisors is an integer number (7511791320).

Almost surely, 2^988197411240 is an apocalyptic number.

988197411240 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 988197411240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1802829916800).

988197411240 is an abundant number, since it is smaller than the sum of its proper divisors (2617462422360).

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

988197411240 is a wasteful number, since it uses less digits than its factorization.

988197411240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4599 (or 4573 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 54.

The spelling of 988197411240 in words is "nine hundred eighty-eight billion, one hundred ninety-seven million, four hundred eleven thousand, two hundred forty".