64051344 has 160 divisors (see below), whose sum is σ = 214272000. Its totient is φ = 17940096.

The previous prime is 64051333. The next prime is 64051367. The reversal of 64051344 is 44315046.

64051344 is a `hidden beast` number, since 640 + 5 + 13 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 31 ways as a sum of consecutive naturals, for example, 178237 + ... + 178595.

It is an arithmetic number, because the mean of its divisors is an integer number (1339200).

Almost surely, 2^64051344 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 64051344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107136000).

64051344 is an abundant number, since it is smaller than the sum of its proper divisors (150220656).

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

64051344 is a wasteful number, since it uses less digits than its factorization.

64051344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442 (or 430 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 64051344 is about 8003.2083566530. The cubic root of 64051344 is about 400.1069380747.

It can be divided in two parts, 640 and 51344, that added together give a square (51984 = 228²).

The spelling of 64051344 in words is "sixty-four million, fifty-one thousand, three hundred forty-four".