40144105 has 8 divisors (see below), whose sum is σ = 48492864. Its totient is φ = 31902000.

The previous prime is 40144103. The next prime is 40144183. The reversal of 40144105 is 50144104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40144105 - 2¹ = 40144103 is a prime.

It is a super-2 number, since 2×40144105² = 3223098332502050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40144103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25831 + ... + 27340.

It is an arithmetic number, because the mean of its divisors is an integer number (6061608).

Almost surely, 2^40144105 is an apocalyptic number.

It is an amenable number.

40144105 is a deficient number, since it is larger than the sum of its proper divisors (8348759).

40144105 is a wasteful number, since it uses less digits than its factorization.

40144105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53327.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 40144105 is about 6335.9375786067. The cubic root of 40144105 is about 342.4053906015.

Adding to 40144105 its reverse (50144104), we get a palindrome (90288209).

Subtracting 40144105 from its reverse (50144104), we obtain a palindrome (9999999).

The spelling of 40144105 in words is "forty million, one hundred forty-four thousand, one hundred five".