44649612 has 72 divisors (see below), whose sum is σ = 129898496. Its totient is φ = 12667104.

The previous prime is 44649593. The next prime is 44649613. The reversal of 44649612 is 21694644.

44649612 is a `hidden beast` number, since 4 + 4 + 649 + 6 + 1 + 2 = 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 not an unprimeable number, because it can be changed into a prime (44649613) 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 23 ways as a sum of consecutive naturals, for example, 40533 + ... + 41619.

Almost surely, 2^44649612 is an apocalyptic number.

44649612 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44649612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64949248).

44649612 is an abundant number, since it is smaller than the sum of its proper divisors (85248884).

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

44649612 is a wasteful number, since it uses less digits than its factorization.

44649612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1267 (or 1262 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 44649612 is about 6682.0365159134. The cubic root of 44649612 is about 354.7637441467.

The spelling of 44649612 in words is "forty-four million, six hundred forty-nine thousand, six hundred twelve".