40448044444 has 48 divisors (see below), whose sum is σ = 78724832256. Its totient is φ = 18086112000.

The previous prime is 40448044363. The next prime is 40448044447. The reversal of 40448044444 is 44444084404.

It is a happy number.

40448044444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40448044397 and 40448044406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40448044447) 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, 150529 + ... + 321799.

It is an arithmetic number, because the mean of its divisors is an integer number (1640100672).

Almost surely, 2^40448044444 is an apocalyptic number.

It is an amenable number.

40448044444 is a deficient number, since it is larger than the sum of its proper divisors (38276787812).

40448044444 is a wasteful number, since it uses less digits than its factorization.

40448044444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171466 (or 171464 counting only the distinct ones).

The product of its (nonzero) digits is 524288, while the sum is 40.

The spelling of 40448044444 in words is "forty billion, four hundred forty-eight million, forty-four thousand, four hundred forty-four".