44136646 has 4 divisors (see below), whose sum is σ = 66204972. Its totient is φ = 22068322.

The previous prime is 44136643. The next prime is 44136679. The reversal of 44136646 is 64663144.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44136643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11034160 + ... + 11034163.

It is an arithmetic number, because the mean of its divisors is an integer number (16551243).

Almost surely, 2^44136646 is an apocalyptic number.

44136646 is a deficient number, since it is larger than the sum of its proper divisors (22068326).

44136646 is a wasteful number, since it uses less digits than its factorization.

44136646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22068325.

The product of its digits is 41472, while the sum is 34.

The square root of 44136646 is about 6643.5416759436. The cubic root of 44136646 is about 353.3999164502.

The spelling of 44136646 in words is "forty-four million, one hundred thirty-six thousand, six hundred forty-six".