40444170 has 32 divisors (see below), whose sum is σ = 104533632. Its totient is φ = 9955392.

The previous prime is 40444153. The next prime is 40444171. The reversal of 40444170 is 7144404.

It is a self number, because there is not a number n which added to its sum of digits gives 40444170.

It is not an unprimeable number, because it can be changed into a prime (40444171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51462 + ... + 52241.

It is an arithmetic number, because the mean of its divisors is an integer number (3266676).

Almost surely, 2^40444170 is an apocalyptic number.

40444170 is an abundant number, since it is smaller than the sum of its proper divisors (64089462).

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

40444170 is a wasteful number, since it uses less digits than its factorization.

40444170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103726.

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 40444170 is about 6359.5730988801. The cubic root of 40444170 is about 343.2563992217.

Adding to 40444170 its reverse (7144404), we get a palindrome (47588574).

The spelling of 40444170 in words is "forty million, four hundred forty-four thousand, one hundred seventy".