44605649 has 8 divisors (see below), whose sum is σ = 48715392. Its totient is φ = 40505040.

The previous prime is 44605633. The next prime is 44605667. The reversal of 44605649 is 94650644.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 44605649 - 2⁴ = 44605633 is a prime.

It is a super-2 number, since 2×44605649² = 3979327845422402, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (44605669) 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, 11672 + ... + 15014.

It is an arithmetic number, because the mean of its divisors is an integer number (6089424).

Almost surely, 2^44605649 is an apocalyptic number.

It is an amenable number.

44605649 is a deficient number, since it is larger than the sum of its proper divisors (4109743).

44605649 is a wasteful number, since it uses less digits than its factorization.

44605649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4567.

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 44605649 is about 6678.7460649436. The cubic root of 44605649 is about 354.6472698224.

It can be divided in two parts, 44605 and 649, that added together give a palindrome (45254).

The spelling of 44605649 in words is "forty-four million, six hundred five thousand, six hundred forty-nine".