44664648 has 32 divisors (see below), whose sum is σ = 127613760. Its totient is φ = 12761280.

The previous prime is 44664647. The next prime is 44664667. The reversal of 44664648 is 84646644.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (44664647) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 132763 + ... + 133098.

It is an arithmetic number, because the mean of its divisors is an integer number (3987930).

Almost surely, 2^44664648 is an apocalyptic number.

It is an amenable number.

44664648 is an abundant number, since it is smaller than the sum of its proper divisors (82949112).

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

44664648 is a wasteful number, since it uses less digits than its factorization.

44664648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265877 (or 265873 counting only the distinct ones).

The product of its digits is 442368, while the sum is 42.

The square root of 44664648 is about 6683.1615273013. The cubic root of 44664648 is about 354.8035625516.

The spelling of 44664648 in words is "forty-four million, six hundred sixty-four thousand, six hundred forty-eight".