6480264540 has 48 divisors (see below), whose sum is σ = 18314335872. Its totient is φ = 1711918656.

The previous prime is 6480264523. The next prime is 6480264541. The reversal of 6480264540 is 454620846.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6480264541) 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, 498274 + ... + 511113.

It is an arithmetic number, because the mean of its divisors is an integer number (381548664).

Almost surely, 2^6480264540 is an apocalyptic number.

6480264540 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6480264540 is an abundant number, since it is smaller than the sum of its proper divisors (11834071332).

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

6480264540 is a wasteful number, since it uses less digits than its factorization.

6480264540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009506 (or 1009504 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 39.

The square root of 6480264540 is about 80500.0903105083. The cubic root of 6480264540 is about 1864.3648732051.

The spelling of 6480264540 in words is "six billion, four hundred eighty million, two hundred sixty-four thousand, five hundred forty".