64648464 has 20 divisors (see below), whose sum is σ = 167008656. Its totient is φ = 21549472.

The previous prime is 64648447. The next prime is 64648481. The reversal of 64648464 is 46484646.

It is a happy number.

64648464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (64648447) and next prime (64648481).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 673374 + ... + 673469.

Almost surely, 2^64648464 is an apocalyptic number.

It is an amenable number.

64648464 is an abundant number, since it is smaller than the sum of its proper divisors (102360192).

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

64648464 is a wasteful number, since it uses less digits than its factorization.

64648464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346854 (or 1346848 counting only the distinct ones).

The product of its digits is 442368, while the sum is 42.

The square root of 64648464 is about 8040.4268543405. The cubic root of 64648464 is about 401.3464294011.

The spelling of 64648464 in words is "sixty-four million, six hundred forty-eight thousand, four hundred sixty-four".