8490443544 has 256 divisors, whose sum is σ = 26425958400. Its totient is φ = 2503987200.

The previous prime is 8490443519. The next prime is 8490443579. The reversal of 8490443544 is 4453440948.

8490443544 is a `hidden beast` number, since 84 + 90 + 443 + 5 + 44 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 8490443544.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24052072 + ... + 24052424.

It is an arithmetic number, because the mean of its divisors is an integer number (103226400).

Almost surely, 2^8490443544 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 8490443544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13212979200).

8490443544 is an abundant number, since it is smaller than the sum of its proper divisors (17935514856).

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

8490443544 is a wasteful number, since it uses less digits than its factorization.

8490443544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623 (or 613 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 45.

The square root of 8490443544 is about 92143.6028381786. The cubic root of 8490443544 is about 2040.0624375353.

The spelling of 8490443544 in words is "eight billion, four hundred ninety million, four hundred forty-three thousand, five hundred forty-four".