44511649 has 12 divisors (see below), whose sum is σ = 55762644. Its totient is φ = 35217504.

The previous prime is 44511637. The next prime is 44511673. The reversal of 44511649 is 94611544.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3038049 + 41473600 = 1743^2 + 6440^2 .

It is not a de Polignac number, because 44511649 - 2⁵ = 44511617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44511619) 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, 34302 + ... + 35575.

It is an arithmetic number, because the mean of its divisors is an integer number (4646887).

Almost surely, 2^44511649 is an apocalyptic number.

44511649 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

44511649 is a deficient number, since it is larger than the sum of its proper divisors (11250995).

44511649 is a wasteful number, since it uses less digits than its factorization.

44511649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69904 (or 69897 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 44511649 is about 6671.7051043942. The cubic root of 44511649 is about 354.3979718889.

Adding to 44511649 its product of digits (17280), we get a square (44528929 = 6673²).

The spelling of 44511649 in words is "forty-four million, five hundred eleven thousand, six hundred forty-nine".