40444353 has 20 divisors (see below), whose sum is σ = 61563348. Its totient is φ = 26451360.

The previous prime is 40444333. The next prime is 40444361. The reversal of 40444353 is 35344404.

It can be written as a sum of positive squares in 2 ways, for example, as 21233664 + 19210689 = 4608^2 + 4383^2 .

It is not a de Polignac number, because 40444353 - 2⁵ = 40444321 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40444303) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 418 + ... + 9003.

Almost surely, 2^40444353 is an apocalyptic number.

It is an amenable number.

40444353 is a deficient number, since it is larger than the sum of its proper divisors (21118995).

40444353 is an equidigital number, since it uses as much as digits as its factorization.

40444353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9486 (or 9477 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 40444353 is about 6359.5874866221. The cubic root of 40444353 is about 343.2569169381.

Adding to 40444353 its reverse (35344404), we get a palindrome (75788757).

It can be divided in two parts, 404443 and 53, that added together give a square (404496 = 636²).

The spelling of 40444353 in words is "forty million, four hundred forty-four thousand, three hundred fifty-three".