44345638 has 4 divisors (see below), whose sum is σ = 66518460. Its totient is φ = 22172818.

The previous prime is 44345591. The next prime is 44345671. The reversal of 44345638 is 83654344.

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

It is a junction number, because it is equal to n+sod(n) for n = 44345597 and 44345606.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 11086408 + ... + 11086411.

It is an arithmetic number, because the mean of its divisors is an integer number (16629615).

Almost surely, 2^44345638 is an apocalyptic number.

44345638 is a deficient number, since it is larger than the sum of its proper divisors (22172822).

44345638 is a wasteful number, since it uses less digits than its factorization.

44345638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22172821.

The product of its digits is 138240, while the sum is 37.

The square root of 44345638 is about 6659.2520601040. The cubic root of 44345638 is about 353.9568345125.

The spelling of 44345638 in words is "forty-four million, three hundred forty-five thousand, six hundred thirty-eight".