44449440 has 96 divisors (see below), whose sum is σ = 160030080. Its totient is φ = 10159104.

The previous prime is 44449411. The next prime is 44449511. The reversal of 44449440 is 4494444.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3255 + ... + 9974.

It is an arithmetic number, because the mean of its divisors is an integer number (1666980).

Almost surely, 2^44449440 is an apocalyptic number.

44449440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44449440 is an abundant number, since it is smaller than the sum of its proper divisors (115580640).

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

44449440 is a wasteful number, since it uses less digits than its factorization.

44449440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13254 (or 13246 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

The square root of 44449440 is about 6667.0413228058. The cubic root of 44449440 is about 354.2327939885.

It can be divided in two parts, 4 and 4449440, that added together give a palindrome (4449444).

The spelling of 44449440 in words is "forty-four million, four hundred forty-nine thousand, four hundred forty".