44919855 has 12 divisors (see below), whose sum is σ = 77861160. Its totient is φ = 23957232.

The previous prime is 44919839. The next prime is 44919863. The reversal of 44919855 is 55891944.

It is not a de Polignac number, because 44919855 - 2⁴ = 44919839 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 998219 = 44919855 / (4 + 4 + 9 + 1 + 9 + 8 + 5 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 44919855.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 499065 + ... + 499154.

It is an arithmetic number, because the mean of its divisors is an integer number (6488430).

Almost surely, 2^44919855 is an apocalyptic number.

44919855 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

44919855 is a deficient number, since it is larger than the sum of its proper divisors (32941305).

44919855 is a wasteful number, since it uses less digits than its factorization.

44919855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998230 (or 998227 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The square root of 44919855 is about 6702.2276147562. The cubic root of 44919855 is about 355.4780440665.

The spelling of 44919855 in words is "forty-four million, nine hundred nineteen thousand, eight hundred fifty-five".