44542440420 has 48 divisors (see below), whose sum is σ = 124770336768. Its totient is φ = 11873079040.

The previous prime is 44542440419. The next prime is 44542440421. The reversal of 44542440420 is 2404424544.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (44542440419) and next prime (44542440421).

It is not an unprimeable number, because it can be changed into a prime (44542440421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5604 + ... + 298523.

It is an arithmetic number, because the mean of its divisors is an integer number (2599382016).

Almost surely, 2^44542440420 is an apocalyptic number.

It is an amenable number.

44542440420 is an abundant number, since it is smaller than the sum of its proper divisors (80227896348).

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

44542440420 is a wasteful number, since it uses less digits than its factorization.

44542440420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306580 (or 306578 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 33.

Adding to 44542440420 its reverse (2404424544), we get a palindrome (46946864964).

The spelling of 44542440420 in words is "forty-four billion, five hundred forty-two million, four hundred forty thousand, four hundred twenty".