40444810 has 32 divisors (see below), whose sum is σ = 86821632. Its totient is φ = 13263360.

The previous prime is 40444799. The next prime is 40444843. The reversal of 40444810 is 1844404.

It is a happy number.

It is a super-2 number, since 2×40444810² = 3271565311872200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10951 + ... + 14170.

It is an arithmetic number, because the mean of its divisors is an integer number (2713176).

Almost surely, 2^40444810 is an apocalyptic number.

40444810 is an abundant number, since it is smaller than the sum of its proper divisors (46376822).

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

40444810 is a wasteful number, since it uses less digits than its factorization.

40444810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25158.

The product of its (nonzero) digits is 2048, while the sum is 25.

The square root of 40444810 is about 6359.6234165240. The cubic root of 40444810 is about 343.2582098077.

The spelling of 40444810 in words is "forty million, four hundred forty-four thousand, eight hundred ten".