44380440 has 256 divisors, whose sum is σ = 166320000. Its totient is φ = 10450944.

The previous prime is 44380439. The next prime is 44380459. The reversal of 44380440 is 4408344.

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 63 ways as a sum of consecutive naturals, for example, 407106 + ... + 407214.

Almost surely, 2^44380440 is an apocalyptic number.

44380440 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 44380440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83160000).

44380440 is an abundant number, since it is smaller than the sum of its proper divisors (121939560).

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

44380440 is a wasteful number, since it uses less digits than its factorization.

44380440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 44380440 is about 6661.8646038478. The cubic root of 44380440 is about 354.0494041936.

Adding to 44380440 its reverse (4408344), we get a palindrome (48788784).

The spelling of 44380440 in words is "forty-four million, three hundred eighty thousand, four hundred forty".