44404244222440 has 32 divisors (see below), whose sum is σ = 99910286558280. Its totient is φ = 17761566656512.

The previous prime is 44404244222431. The next prime is 44404244222461. The reversal of 44404244222440 is 4422244240444.

It can be written as a sum of positive squares in 4 ways, for example, as 31634527793764 + 12769716428676 = 5624458^2 + 3573474^2 .

It is a super-2 number, since 2×44404244222440² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 44404244222393 and 44404244222402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1489092 + ... + 9540748.

Almost surely, 2^{44404244222440} is an apocalyptic number.

44404244222440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44404244222440 is an abundant number, since it is smaller than the sum of its proper divisors (55506042335840).

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

44404244222440 is a wasteful number, since it uses less digits than its factorization.

44404244222440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8189541 (or 8189537 counting only the distinct ones).

The product of its (nonzero) digits is 1048576, while the sum is 40.

Adding to 44404244222440 its reverse (4422244240444), we get a palindrome (48826488462884).

The spelling of 44404244222440 in words is "forty-four trillion, four hundred four billion, two hundred forty-four million, two hundred twenty-two thousand, four hundred forty".