40444888444 has 6 divisors (see below), whose sum is σ = 70778554784. Its totient is φ = 20222444220.

The previous prime is 40444888433. The next prime is 40444888469. The reversal of 40444888444 is 44488844404.

It is a super-2 number, since 2×40444888444² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40444888391 and 40444888400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055611052 + ... + 5055611059.

Almost surely, 2^40444888444 is an apocalyptic number.

It is an amenable number.

40444888444 is a deficient number, since it is larger than the sum of its proper divisors (30333666340).

40444888444 is a wasteful number, since it uses less digits than its factorization.

40444888444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10111222115 (or 10111222113 counting only the distinct ones).

The product of its (nonzero) digits is 8388608, while the sum is 52.

The spelling of 40444888444 in words is "forty billion, four hundred forty-four million, eight hundred eighty-eight thousand, four hundred forty-four".