44380840 has 64 divisors (see below), whose sum is σ = 117826560. Its totient is φ = 14722560.

The previous prime is 44380837. The next prime is 44380877. The reversal of 44380840 is 4808344.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6124 + ... + 11236.

It is an arithmetic number, because the mean of its divisors is an integer number (1841040).

Almost surely, 2^44380840 is an apocalyptic number.

44380840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44380840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58913280).

44380840 is an abundant number, since it is smaller than the sum of its proper divisors (73445720).

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

44380840 is a wasteful number, since it uses less digits than its factorization.

44380840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5162 (or 5158 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 44380840 is about 6661.8946254050. The cubic root of 44380840 is about 354.0504678704.

The spelling of 44380840 in words is "forty-four million, three hundred eighty thousand, eight hundred forty".