8490011382 has 128 divisors (see below), whose sum is σ = 19744819200. Its totient is φ = 2702239488.

The previous prime is 8490011363. The next prime is 8490011389. The reversal of 8490011382 is 2831100948.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8490011389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23133363 + ... + 23133729.

It is an arithmetic number, because the mean of its divisors is an integer number (154256400).

Almost surely, 2^8490011382 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8490011382, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9872409600).

8490011382 is an abundant number, since it is smaller than the sum of its proper divisors (11254807818).

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

8490011382 is a wasteful number, since it uses less digits than its factorization.

8490011382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627 (or 621 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 8490011382 is about 92141.2577621990. The cubic root of 8490011382 is about 2040.0278240150.

The spelling of 8490011382 in words is "eight billion, four hundred ninety million, eleven thousand, three hundred eighty-two".