44144380 has 96 divisors (see below), whose sum is σ = 111767040. Its totient is φ = 14327040.

The previous prime is 44144371. The next prime is 44144381. The reversal of 44144380 is 8344144.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44144381) 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, 336915 + ... + 337045.

It is an arithmetic number, because the mean of its divisors is an integer number (1164240).

Almost surely, 2^44144380 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44144380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55883520).

44144380 is an abundant number, since it is smaller than the sum of its proper divisors (67622660).

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

44144380 is a wasteful number, since it uses less digits than its factorization.

44144380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 44144380 is about 6644.1237194983. The cubic root of 44144380 is about 353.4205571616.

The spelling of 44144380 in words is "forty-four million, one hundred forty-four thousand, three hundred eighty".