8365440492 has 72 divisors (see below), whose sum is σ = 22117271904. Its totient is φ = 2660967936.

The previous prime is 8365440439. The next prime is 8365440527. The reversal of 8365440492 is 2940445638.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 346858 + ... + 370190.

It is an arithmetic number, because the mean of its divisors is an integer number (307184332).

Almost surely, 2^8365440492 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 8365440492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11058635952).

8365440492 is an abundant number, since it is smaller than the sum of its proper divisors (13751831412).

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

8365440492 is a wasteful number, since it uses less digits than its factorization.

8365440492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23799 (or 23794 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The square root of 8365440492 is about 91462.7820044853. The cubic root of 8365440492 is about 2030.0010913468.

The spelling of 8365440492 in words is "eight billion, three hundred sixty-five million, four hundred forty thousand, four hundred ninety-two".