44720721421552 has 40 divisors (see below), whose sum is σ = 100083539658672. Its totient is φ = 19131859430400.

The previous prime is 44720721421511. The next prime is 44720721421601. The reversal of 44720721421552 is 25512412702744.

44720721421552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7473379599 + ... + 7473385582.

Almost surely, 2^{44720721421552} is an apocalyptic number.

It is an amenable number.

44720721421552 is an abundant number, since it is smaller than the sum of its proper divisors (55362818237120).

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

44720721421552 is a wasteful number, since it uses less digits than its factorization.

44720721421552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14946765217 (or 14946765211 counting only the distinct ones).

The product of its (nonzero) digits is 1254400, while the sum is 46.

The spelling of 44720721421552 in words is "forty-four trillion, seven hundred twenty billion, seven hundred twenty-one million, four hundred twenty-one thousand, five hundred fifty-two".