64441828 has 24 divisors (see below), whose sum is σ = 127270080. Its totient is φ = 28281120.

The previous prime is 64441703. The next prime is 64441829. The reversal of 64441828 is 82814446.

It is not an unprimeable number, because it can be changed into a prime (64441829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23976 + ... + 26527.

It is an arithmetic number, because the mean of its divisors is an integer number (5302920).

Almost surely, 2^64441828 is an apocalyptic number.

It is an amenable number.

64441828 is a deficient number, since it is larger than the sum of its proper divisors (62828252).

64441828 is a wasteful number, since it uses less digits than its factorization.

64441828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50547 (or 50545 counting only the distinct ones).

The product of its digits is 49152, while the sum is 37.

The square root of 64441828 is about 8027.5667546275. The cubic root of 64441828 is about 400.9183649011.

It can be divided in two parts, 644418 and 28, that added together give a palindrome (644446).

The spelling of 64441828 in words is "sixty-four million, four hundred forty-one thousand, eight hundred twenty-eight".