64044828 has 36 divisors (see below), whose sum is σ = 162402240. Its totient is φ = 21280896.

The previous prime is 64044823. The next prime is 64044833. The reversal of 64044828 is 82844046.

64044828 is a `hidden beast` number, since 640 + 4 + 4 + 8 + 2 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (64044823) and next prime (64044833).

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 64044792 and 64044801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64044823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9493 + ... + 14771.

Almost surely, 2^64044828 is an apocalyptic number.

It is an amenable number.

64044828 is an abundant number, since it is smaller than the sum of its proper divisors (98357412).

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

64044828 is a wasteful number, since it uses less digits than its factorization.

64044828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5626 (or 5621 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The square root of 64044828 is about 8002.8012595591. The cubic root of 64044828 is about 400.0933698701.

The spelling of 64044828 in words is "sixty-four million, forty-four thousand, eight hundred twenty-eight".