44749446 has 48 divisors (see below), whose sum is σ = 109604160. Its totient is φ = 12111120.

The previous prime is 44749429. The next prime is 44749489. The reversal of 44749446 is 64494744.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 44749398 and 44749407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1581 + ... + 9591.

It is an arithmetic number, because the mean of its divisors is an integer number (2283420).

Almost surely, 2^44749446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44749446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54802080).

44749446 is an abundant number, since it is smaller than the sum of its proper divisors (64854714).

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

44749446 is a wasteful number, since it uses less digits than its factorization.

44749446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8049 (or 8042 counting only the distinct ones).

The product of its digits is 387072, while the sum is 42.

The square root of 44749446 is about 6689.5026720975. The cubic root of 44749446 is about 355.0279578590.

The spelling of 44749446 in words is "forty-four million, seven hundred forty-nine thousand, four hundred forty-six".