40444863 has 32 divisors (see below), whose sum is σ = 59965440. Its totient is φ = 24144480.

The previous prime is 40444849. The next prime is 40444889. The reversal of 40444863 is 36844404.

It is not a de Polignac number, because 40444863 - 2⁶ = 40444799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40444843) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82806 + ... + 83292.

It is an arithmetic number, because the mean of its divisors is an integer number (1873920).

Almost surely, 2^40444863 is an apocalyptic number.

40444863 is a deficient number, since it is larger than the sum of its proper divisors (19520577).

40444863 is a wasteful number, since it uses less digits than its factorization.

40444863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587.

The product of its (nonzero) digits is 36864, while the sum is 33.

The square root of 40444863 is about 6359.6275834360. The cubic root of 40444863 is about 343.2583597459.

The spelling of 40444863 in words is "forty million, four hundred forty-four thousand, eight hundred sixty-three".