6464240260620 has 48 divisors (see below), whose sum is σ = 18100260094560. Its totient is φ = 1723760510976.

The previous prime is 6464240260607. The next prime is 6464240260729. The reversal of 6464240260620 is 260620424646.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1733766 + ... + 3991794.

It is an arithmetic number, because the mean of its divisors is an integer number (377088751970).

Almost surely, 2^{6464240260620} is an apocalyptic number.

6464240260620 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6464240260620 is an abundant number, since it is smaller than the sum of its proper divisors (11636019833940).

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

6464240260620 is a wasteful number, since it uses less digits than its factorization.

6464240260620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2305754 (or 2305752 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 42.

The spelling of 6464240260620 in words is "six trillion, four hundred sixty-four billion, two hundred forty million, two hundred sixty thousand, six hundred twenty".