44446240 has 24 divisors (see below), whose sum is σ = 105004620. Its totient is φ = 17778432.

The previous prime is 44446217. The next prime is 44446243. The reversal of 44446240 is 4264444.

It can be written as a sum of positive squares in 2 ways, for example, as 44249104 + 197136 = 6652^2 + 444^2 .

It is a junction number, because it is equal to n+sod(n) for n = 44446199 and 44446208.

It is not an unprimeable number, because it can be changed into a prime (44446243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138735 + ... + 139054.

Almost surely, 2^44446240 is an apocalyptic number.

44446240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44446240 is an abundant number, since it is smaller than the sum of its proper divisors (60558380).

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

44446240 is a wasteful number, since it uses less digits than its factorization.

44446240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277804 (or 277796 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

The square root of 44446240 is about 6666.8013319732. The cubic root of 44446240 is about 354.2242931529.

The spelling of 44446240 in words is "forty-four million, four hundred forty-six thousand, two hundred forty".