44420452420 has 24 divisors (see below), whose sum is σ = 96292078848. Its totient is φ = 17195013600.

The previous prime is 44420452399. The next prime is 44420452421. The reversal of 44420452420 is 2425402444.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (44420452421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35822326 + ... + 35823565.

It is an arithmetic number, because the mean of its divisors is an integer number (4012169952).

Almost surely, 2^44420452420 is an apocalyptic number.

It is an amenable number.

44420452420 is an abundant number, since it is smaller than the sum of its proper divisors (51871626428).

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

44420452420 is a wasteful number, since it uses less digits than its factorization.

44420452420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71645931 (or 71645929 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 31.

Adding to 44420452420 its reverse (2425402444), we get a palindrome (46845854864).

The spelling of 44420452420 in words is "forty-four billion, four hundred twenty million, four hundred fifty-two thousand, four hundred twenty".