44522478 has 144 divisors (see below), whose sum is σ = 132206256. Its totient is φ = 10644480.

The previous prime is 44522461. The next prime is 44522509. The reversal of 44522478 is 87422544.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 125950 + ... + 126302.

It is an arithmetic number, because the mean of its divisors is an integer number (918099).

Almost surely, 2^44522478 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44522478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66103128).

44522478 is an abundant number, since it is smaller than the sum of its proper divisors (87683778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44522478 is a wasteful number, since it uses less digits than its factorization.

44522478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399 (or 389 counting only the distinct ones).

The product of its digits is 71680, while the sum is 36.

The square root of 44522478 is about 6672.5166166897. The cubic root of 44522478 is about 354.4267094182.

The spelling of 44522478 in words is "forty-four million, five hundred twenty-two thousand, four hundred seventy-eight".