44020646 has 16 divisors (see below), whose sum is σ = 67132800. Its totient is φ = 21645888.

The previous prime is 44020621. The next prime is 44020649. The reversal of 44020646 is 64602044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44020649) 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, 39140 + ... + 40248.

It is an arithmetic number, because the mean of its divisors is an integer number (4195800).

Almost surely, 2^44020646 is an apocalyptic number.

44020646 is a deficient number, since it is larger than the sum of its proper divisors (23112154).

44020646 is a wasteful number, since it uses less digits than its factorization.

44020646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 44020646 is about 6634.8056489998. The cubic root of 44020646 is about 353.0900427557.

The spelling of 44020646 in words is "forty-four million, twenty thousand, six hundred forty-six".