40044444444 has 48 divisors (see below), whose sum is σ = 103829725440. Its totient is φ = 13346760240.

The previous prime is 40044444437. The next prime is 40044444523. The reversal of 40044444444 is 44444444004.

It is a super-3 number, since 3×40044444444³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

40044444444 is a modest number, since divided by 444444 gives 40044 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 40044444399 and 40044444408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1973977 + ... + 1994159.

It is an arithmetic number, because the mean of its divisors is an integer number (2163119280).

Almost surely, 2^40044444444 is an apocalyptic number.

It is an amenable number.

40044444444 is an abundant number, since it is smaller than the sum of its proper divisors (63785280996).

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

40044444444 is a wasteful number, since it uses less digits than its factorization.

40044444444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38567 (or 38559 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 36.

Adding to 40044444444 its reverse (44444444004), we get a palindrome (84488888448).

The spelling of 40044444444 in words is "forty billion, forty-four million, four hundred forty-four thousand, four hundred forty-four".