44020420222440 has 64 divisors (see below), whose sum is σ = 132062532076800. Its totient is φ = 11738665711872.

The previous prime is 44020420222309. The next prime is 44020420222451. The reversal of 44020420222440 is 4422202402044.

It is a happy number.

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 = 44020420222398 and 44020420222407.

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 15 ways as a sum of consecutive naturals, for example, 11141994 + ... + 14566566.

It is an arithmetic number, because the mean of its divisors is an integer number (2063477063700).

Almost surely, 2^{44020420222440} is an apocalyptic number.

44020420222440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44020420222440 is an abundant number, since it is smaller than the sum of its proper divisors (88042111854360).

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

44020420222440 is a wasteful number, since it uses less digits than its factorization.

44020420222440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3531706 (or 3531702 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 44020420222440 its reverse (4422202402044), we get a palindrome (48442622624484).

The spelling of 44020420222440 in words is "forty-four trillion, twenty billion, four hundred twenty million, two hundred twenty-two thousand, four hundred forty".