44463703881 has 16 divisors (see below), whose sum is σ = 62898120000. Its totient is φ = 27842869248.

The previous prime is 44463703873. The next prime is 44463703883. The reversal of 44463703881 is 18830736444.

It is a happy number.

44463703881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 44463703881 - 2³ = 44463703873 is a prime.

It is a super-2 number, since 2×44463703881² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 44463703881.

It is not an unprimeable number, because it can be changed into a prime (44463703883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 848136 + ... + 899033.

It is an arithmetic number, because the mean of its divisors is an integer number (3931132500).

Almost surely, 2^44463703881 is an apocalyptic number.

It is an amenable number.

44463703881 is a deficient number, since it is larger than the sum of its proper divisors (18434416119).

44463703881 is a wasteful number, since it uses less digits than its factorization.

44463703881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1747688.

The product of its (nonzero) digits is 1548288, while the sum is 48.

The spelling of 44463703881 in words is "forty-four billion, four hundred sixty-three million, seven hundred three thousand, eight hundred eighty-one".