6480000492 has 72 divisors (see below), whose sum is σ = 17621601984. Its totient is φ = 1847952288.

The previous prime is 6480000479. The next prime is 6480000493. The reversal of 6480000492 is 2940000846.

It is not an unprimeable number, because it can be changed into a prime (6480000493) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 311563 + ... + 331709.

It is an arithmetic number, because the mean of its divisors is an integer number (244744472).

Almost surely, 2^6480000492 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 6480000492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8810800992).

6480000492 is an abundant number, since it is smaller than the sum of its proper divisors (11141601492).

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

6480000492 is a wasteful number, since it uses less digits than its factorization.

6480000492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20715 (or 20706 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 6480000492 is about 80498.4502459519. The cubic root of 6480000492 is about 1864.3395507562.

The spelling of 6480000492 in words is "six billion, four hundred eighty million, four hundred ninety-two", and thus it is an aban number.