40105803 has 8 divisors (see below), whose sum is σ = 54075600. Its totient is φ = 26436608.

The previous prime is 40105801. The next prime is 40105823. The reversal of 40105803 is 30850104.

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

It is a cyclic number.

It is not a de Polignac number, because 40105803 - 2¹ = 40105801 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40105803.

It is not an unprimeable number, because it can be changed into a prime (40105801) 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, 74838 + ... + 75371.

It is an arithmetic number, because the mean of its divisors is an integer number (6759450).

Almost surely, 2^40105803 is an apocalyptic number.

40105803 is a deficient number, since it is larger than the sum of its proper divisors (13969797).

40105803 is a wasteful number, since it uses less digits than its factorization.

40105803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150301.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 40105803 is about 6332.9142580648. The cubic root of 40105803 is about 342.2964581735.

Adding to 40105803 its reverse (30850104), we get a palindrome (70955907).

The spelling of 40105803 in words is "forty million, one hundred five thousand, eight hundred three".