44056157638 has 4 divisors (see below), whose sum is σ = 66084236460. Its totient is φ = 22028078818.

The previous prime is 44056157627. The next prime is 44056157647. The reversal of 44056157638 is 83675165044.

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

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 44056157591 and 44056157600.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 11014039408 + ... + 11014039411.

It is an arithmetic number, because the mean of its divisors is an integer number (16521059115).

Almost surely, 2^44056157638 is an apocalyptic number.

44056157638 is a deficient number, since it is larger than the sum of its proper divisors (22028078822).

44056157638 is a wasteful number, since it uses less digits than its factorization.

44056157638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22028078821.

The product of its (nonzero) digits is 2419200, while the sum is 49.

The spelling of 44056157638 in words is "forty-four billion, fifty-six million, one hundred fifty-seven thousand, six hundred thirty-eight".