44657993386 has 8 divisors (see below), whose sum is σ = 67133571300. Its totient is φ = 22280136288.

The previous prime is 44657993381. The next prime is 44657993389. The reversal of 44657993386 is 68339975644.

It can be written as a sum of positive squares in 2 ways, for example, as 42384515625 + 2273477761 = 205875^2 + 47681^2 .

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

It is not an unprimeable number, because it can be changed into a prime (44657993381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24429061 + ... + 24430888.

Almost surely, 2^44657993386 is an apocalyptic number.

44657993386 is a deficient number, since it is larger than the sum of its proper divisors (22475577914).

44657993386 is a wasteful number, since it uses less digits than its factorization.

44657993386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48860408.

The product of its digits is 117573120, while the sum is 64.

The spelling of 44657993386 in words is "forty-four billion, six hundred fifty-seven million, nine hundred ninety-three thousand, three hundred eighty-six".