1248464664 has 80 divisors (see below), whose sum is σ = 3502601520. Its totient is φ = 415471680.

The previous prime is 1248464627. The next prime is 1248464671. The reversal of 1248464664 is 4664648421.

1248464664 is a `hidden beast` number, since 124 + 8 + 464 + 6 + 64 = 666.

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

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 532134 + ... + 534474.

It is an arithmetic number, because the mean of its divisors is an integer number (43782519).

Almost surely, 2^1248464664 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 1248464664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1751300760).

1248464664 is an abundant number, since it is smaller than the sum of its proper divisors (2254136856).

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

1248464664 is a wasteful number, since it uses less digits than its factorization.

1248464664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3182 (or 3169 counting only the distinct ones).

The product of its digits is 884736, while the sum is 45.

The square root of 1248464664 is about 35333.6194579610. The cubic root of 1248464664 is about 1076.7761268365.

The spelling of 1248464664 in words is "one billion, two hundred forty-eight million, four hundred sixty-four thousand, six hundred sixty-four".