44717138 has 4 divisors (see below), whose sum is σ = 67075710. Its totient is φ = 22358568.

The previous prime is 44717137. The next prime is 44717161. The reversal of 44717138 is 83171744.

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

It can be written as a sum of positive squares in only one way, i.e., 33674809 + 11042329 = 5803^2 + 3323^2 .

It is a super-2 number, since 2×44717138² = 3999244861822088, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 44717098 and 44717107.

It is not an unprimeable number, because it can be changed into a prime (44717137) by changing a digit.

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, 11179283 + ... + 11179286.

Almost surely, 2^44717138 is an apocalyptic number.

44717138 is a deficient number, since it is larger than the sum of its proper divisors (22358572).

44717138 is a wasteful number, since it uses less digits than its factorization.

44717138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22358571.

The product of its digits is 18816, while the sum is 35.

The square root of 44717138 is about 6687.0874078331. The cubic root of 44717138 is about 354.9424968026.

The spelling of 44717138 in words is "forty-four million, seven hundred seventeen thousand, one hundred thirty-eight".