988216499040 has 384 divisors, whose sum is σ = 3273063220224. Its totient is φ = 250392576000.

The previous prime is 988216498991. The next prime is 988216499047. The reversal of 988216499040 is 40994612889.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (988216499047) 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, 115969980 + ... + 115978500.

It is an arithmetic number, because the mean of its divisors is an integer number (8523602136).

Almost surely, 2^988216499040 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 988216499040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1636531610112).

988216499040 is an abundant number, since it is smaller than the sum of its proper divisors (2284846721184).

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

988216499040 is a wasteful number, since it uses less digits than its factorization.

988216499040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8734 (or 8726 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 60.

The spelling of 988216499040 in words is "nine hundred eighty-eight billion, two hundred sixteen million, four hundred ninety-nine thousand, forty".