44431040 has 56 divisors (see below), whose sum is σ = 108295440. Its totient is φ = 17353728.

The previous prime is 44431039. The next prime is 44431061. The reversal of 44431040 is 4013444.

44431040 = T₁₄₁₆ + T₁₄₁₇ + ... + T₁₄₅₈.

44431040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12146 + ... + 15374.

Almost surely, 2^44431040 is an apocalyptic number.

44431040 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 44431040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54147720).

44431040 is an abundant number, since it is smaller than the sum of its proper divisors (63864400).

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

44431040 is a wasteful number, since it uses less digits than its factorization.

44431040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3289 (or 3279 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 44431040 is about 6665.6612575198. The cubic root of 44431040 is about 354.1839086108.

Adding to 44431040 its reverse (4013444), we get a palindrome (48444484).

The spelling of 44431040 in words is "forty-four million, four hundred thirty-one thousand, forty".