44143380 has 144 divisors (see below), whose sum is σ = 143829504. Its totient is φ = 11352960.

The previous prime is 44143367. The next prime is 44143391. The reversal of 44143380 is 8334144.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 150514 + ... + 150806.

It is an arithmetic number, because the mean of its divisors is an integer number (998816).

Almost surely, 2^44143380 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 44143380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71914752).

44143380 is an abundant number, since it is smaller than the sum of its proper divisors (99686124).

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

44143380 is a wasteful number, since it uses less digits than its factorization.

44143380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 44143380 is about 6644.0484646035. The cubic root of 44143380 is about 353.4178884699.

The spelling of 44143380 in words is "forty-four million, one hundred forty-three thousand, three hundred eighty".