4989784343040 has 800 divisors, whose sum is σ = 20859808172544. Its totient is φ = 1116240445440.

The previous prime is 4989784343023. The next prime is 4989784343051. The reversal of 4989784343040 is 403434879894.

4989784343040 is a `hidden beast` number, since 4 + 9 + 89 + 7 + 84 + 3 + 430 + 40 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 68184870 + ... + 68258010.

Almost surely, 2^{4989784343040} is an apocalyptic number.

4989784343040 is a gapful number since it is divisible by the number (40) 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 4989784343040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10429904086272).

4989784343040 is an abundant number, since it is smaller than the sum of its proper divisors (15870023829504).

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

4989784343040 is an equidigital number, since it uses as much as digits as its factorization.

4989784343040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73230 (or 73205 counting only the distinct ones).

The product of its (nonzero) digits is 83607552, while the sum is 63.

The spelling of 4989784343040 in words is "four trillion, nine hundred eighty-nine billion, seven hundred eighty-four million, three hundred forty-three thousand, forty".