44212221400440 has 32 divisors (see below), whose sum is σ = 132636664201680. Its totient is φ = 11789925706752.

The previous prime is 44212221400423. The next prime is 44212221400513. The reversal of 44212221400440 is 4400412221244.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 44212221400398 and 44212221400407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184217589049 + ... + 184217589288.

Almost surely, 2^{44212221400440} is an apocalyptic number.

44212221400440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44212221400440 is an abundant number, since it is smaller than the sum of its proper divisors (88424442801240).

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

44212221400440 is a wasteful number, since it uses less digits than its factorization.

44212221400440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368435178351 (or 368435178347 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 30.

Adding to 44212221400440 its reverse (4400412221244), we get a palindrome (48612633621684).

The spelling of 44212221400440 in words is "forty-four trillion, two hundred twelve billion, two hundred twenty-one million, four hundred thousand, four hundred forty".