44388340 has 24 divisors (see below), whose sum is σ = 93761640. Its totient is φ = 17651328.

The previous prime is 44388329. The next prime is 44388347. The reversal of 44388340 is 4388344.

It can be written as a sum of positive squares in 4 ways, for example, as 19027044 + 25361296 = 4362^2 + 5036^2 .

It is a junction number, because it is equal to n+sod(n) for n = 44388296 and 44388305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44388347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2955 + ... + 9874.

It is an arithmetic number, because the mean of its divisors is an integer number (3906735).

Almost surely, 2^44388340 is an apocalyptic number.

It is an amenable number.

44388340 is an abundant number, since it is smaller than the sum of its proper divisors (49373300).

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

44388340 is a wasteful number, since it uses less digits than its factorization.

44388340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13011 (or 13009 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 34.

The square root of 44388340 is about 6662.4575045549. The cubic root of 44388340 is about 354.0704106276.

The spelling of 44388340 in words is "forty-four million, three hundred eighty-eight thousand, three hundred forty".