44452440 has 48 divisors (see below), whose sum is σ = 144471600. Its totient is φ = 11853888.

The previous prime is 44452427. The next prime is 44452451. The reversal of 44452440 is 4425444.

It is a happy number.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 61380 + ... + 62099.

It is an arithmetic number, because the mean of its divisors is an integer number (3009825).

Almost surely, 2^44452440 is an apocalyptic number.

44452440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44452440 is an abundant number, since it is smaller than the sum of its proper divisors (100019160).

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

44452440 is a wasteful number, since it uses less digits than its factorization.

44452440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123496 (or 123489 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 27.

The square root of 44452440 is about 6667.2663063658. The cubic root of 44452440 is about 354.2407631513.

Adding to 44452440 its reverse (4425444), we get a palindrome (48877884).

The spelling of 44452440 in words is "forty-four million, four hundred fifty-two thousand, four hundred forty".