8519449158 has 32 divisors (see below), whose sum is σ = 20653211520. Its totient is φ = 2581651080.

The previous prime is 8519449157. The next prime is 8519449177.

8519449158 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8519449157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7170660 + ... + 7171847.

It is an arithmetic number, because the mean of its divisors is an integer number (645412860).

Almost surely, 2^8519449158 is an apocalyptic number.

8519449158 is an abundant number, since it is smaller than the sum of its proper divisors (12133762362).

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

8519449158 is a wasteful number, since it uses less digits than its factorization.

8519449158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14342529 (or 14342523 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 54.

The square root of 8519449158 is about 92300.8621736547. The cubic root of 8519449158 is about 2042.3829290786.

The spelling of 8519449158 in words is "eight billion, five hundred nineteen million, four hundred forty-nine thousand, one hundred fifty-eight".