40444444368 has 100 divisors (see below), whose sum is σ = 118540002240. Its totient is φ = 13310796096.

The previous prime is 40444444333. The next prime is 40444444379. The reversal of 40444444368 is 86344444404.

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 19 ways as a sum of consecutive naturals, for example, 95130 + ... + 299897.

Almost surely, 2^40444444368 is an apocalyptic number.

40444444368 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

40444444368 is an abundant number, since it is smaller than the sum of its proper divisors (78095557872).

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

40444444368 is a wasteful number, since it uses less digits than its factorization.

40444444368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395126 (or 395111 counting only the distinct ones).

The product of its (nonzero) digits is 2359296, while the sum is 45.

The spelling of 40444444368 in words is "forty billion, four hundred forty-four million, four hundred forty-four thousand, three hundred sixty-eight".