40444468 has 6 divisors (see below), whose sum is σ = 70777826. Its totient is φ = 20222232.

The previous prime is 40444463. The next prime is 40444499. The reversal of 40444468 is 86444404.

It can be written as a sum of positive squares in only one way, i.e., 28965924 + 11478544 = 5382^2 + 3388^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40444463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055555 + ... + 5055562.

Almost surely, 2^40444468 is an apocalyptic number.

It is an amenable number.

40444468 is a deficient number, since it is larger than the sum of its proper divisors (30333358).

40444468 is a wasteful number, since it uses less digits than its factorization.

40444468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10111121 (or 10111119 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 34.

The square root of 40444468 is about 6359.5965280826. The cubic root of 40444468 is about 343.2572422782.

The spelling of 40444468 in words is "forty million, four hundred forty-four thousand, four hundred sixty-eight".