988755240 has 128 divisors (see below), whose sum is σ = 3251404800. Its totient is φ = 238552320.

The previous prime is 988755223. The next prime is 988755253. The reversal of 988755240 is 42557889.

It is a self number, because there is not a number n which added to its sum of digits gives 988755240.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 292681 + ... + 296039.

It is an arithmetic number, because the mean of its divisors is an integer number (25401600).

Almost surely, 2^988755240 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 988755240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1625702400).

988755240 is an abundant number, since it is smaller than the sum of its proper divisors (2262649560).

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

988755240 is a wasteful number, since it uses less digits than its factorization.

988755240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3607 (or 3603 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 48.

The square root of 988755240 is about 31444.4786886347. The cubic root of 988755240 is about 996.2376088323.

The spelling of 988755240 in words is "nine hundred eighty-eight million, seven hundred fifty-five thousand, two hundred forty".