44045312155 has 32 divisors (see below), whose sum is σ = 61669992384. Its totient is φ = 29900537856.

The previous prime is 44045312153. The next prime is 44045312161. The reversal of 44045312155 is 55121354044.

It is not a de Polignac number, because 44045312155 - 2¹ = 44045312153 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44045312155.

It is not an unprimeable number, because it can be changed into a prime (44045312153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 415974 + ... + 511003.

It is an arithmetic number, because the mean of its divisors is an integer number (1927187262).

Almost surely, 2^44045312155 is an apocalyptic number.

44045312155 is a deficient number, since it is larger than the sum of its proper divisors (17624680229).

44045312155 is a wasteful number, since it uses less digits than its factorization.

44045312155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927055.

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 44045312155 its reverse (55121354044), we get a palindrome (99166666199).

The spelling of 44045312155 in words is "forty-four billion, forty-five million, three hundred twelve thousand, one hundred fifty-five".