6464226624 has 56 divisors (see below), whose sum is σ = 17520440448. Its totient is φ = 2102184960.

The previous prime is 6464226611. The next prime is 6464226697. The reversal of 6464226624 is 4266224646.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 402712 + ... + 418455.

It is an arithmetic number, because the mean of its divisors is an integer number (312865008).

Almost surely, 2^6464226624 is an apocalyptic number.

6464226624 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

6464226624 is an abundant number, since it is smaller than the sum of its proper divisors (11056213824).

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

6464226624 is a wasteful number, since it uses less digits than its factorization.

6464226624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821223 (or 821213 counting only the distinct ones).

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

The square root of 6464226624 is about 80400.4143272906. The cubic root of 6464226624 is about 1862.8255724654.

The spelling of 6464226624 in words is "six billion, four hundred sixty-four million, two hundred twenty-six thousand, six hundred twenty-four".