40444444 has 24 divisors (see below), whose sum is σ = 73735200. Its totient is φ = 19387200.

The previous prime is 40444433. The next prime is 40444447. The reversal of 40444444 is 44444404.

40444444 is a modest number, since divided by 4444 gives 4044 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40444447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16362 + ... + 18670.

It is an arithmetic number, because the mean of its divisors is an integer number (3072300).

Almost surely, 2^40444444 is an apocalyptic number.

It is an amenable number.

40444444 is a deficient number, since it is larger than the sum of its proper divisors (33290756).

40444444 is a wasteful number, since it uses less digits than its factorization.

40444444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2493 (or 2491 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

The square root of 40444444 is about 6359.5946411701. The cubic root of 40444444 is about 343.2571743812.

Adding to 40444444 its reverse (44444404), we get a palindrome (84888848).

The spelling of 40444444 in words is "forty million, four hundred forty-four thousand, four hundred forty-four".