8146489520 has 60 divisors (see below), whose sum is σ = 20509664976. Its totient is φ = 3007929600.

The previous prime is 8146489511. The next prime is 8146489523. The reversal of 8146489520 is 259846418.

It is not an unprimeable number, because it can be changed into a prime (8146489523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 287756 + ... + 314795.

Almost surely, 2^8146489520 is an apocalyptic number.

8146489520 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8146489520 is an abundant number, since it is smaller than the sum of its proper divisors (12363175456).

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

8146489520 is a wasteful number, since it uses less digits than its factorization.

8146489520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602590 (or 602571 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 47.

The square root of 8146489520 is about 90257.9055817273. The cubic root of 8146489520 is about 2012.1336978216.

The spelling of 8146489520 in words is "eight billion, one hundred forty-six million, four hundred eighty-nine thousand, five hundred twenty".