64264464 has 120 divisors (see below), whose sum is σ = 203112000. Its totient is φ = 18789120.

The previous prime is 64264423. The next prime is 64264531. The reversal of 64264464 is 46446246.

It is a happy number.

64264464 is a `hidden beast` number, since 6 + 4 + 2 + 644 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45237 + ... + 46635.

It is an arithmetic number, because the mean of its divisors is an integer number (1692600).

Almost surely, 2^64264464 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 64264464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101556000).

64264464 is an abundant number, since it is smaller than the sum of its proper divisors (138847536).

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

64264464 is a wasteful number, since it uses less digits than its factorization.

64264464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453 (or 1444 counting only the distinct ones).

The product of its digits is 110592, while the sum is 36.

The square root of 64264464 is about 8016.5119596992. The cubic root of 64264464 is about 400.5502094934.

The spelling of 64264464 in words is "sixty-four million, two hundred sixty-four thousand, four hundred sixty-four".