44400422440 has 48 divisors (see below), whose sum is σ = 109808494740. Its totient is φ = 16145606400.

The previous prime is 44400422413. The next prime is 44400422459. The reversal of 44400422440 is 4422400444.

It can be written as a sum of positive squares in 2 ways, for example, as 39930430276 + 4469992164 = 199826^2 + 66858^2 .

It is a junction number, because it is equal to n+sod(n) for n = 44400422399 and 44400422408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4581981 + ... + 4591660.

Almost surely, 2^44400422440 is an apocalyptic number.

44400422440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44400422440 is an abundant number, since it is smaller than the sum of its proper divisors (65408072300).

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

44400422440 is a wasteful number, since it uses less digits than its factorization.

44400422440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9173674 (or 9173659 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 44400422440 its reverse (4422400444), we get a palindrome (48822822884).

The spelling of 44400422440 in words is "forty-four billion, four hundred million, four hundred twenty-two thousand, four hundred forty".