40505544403203 has 8 divisors (see below), whose sum is σ = 58917155495616. Its totient is φ = 24548814789800.

The previous prime is 40505544403183. The next prime is 40505544403211. The reversal of 40505544403203 is 30230444550504.

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 40505544403203 - 2⁶ = 40505544403139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40505544403283) 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, 613720369713 + ... + 613720369778.

It is an arithmetic number, because the mean of its divisors is an integer number (7364644436952).

Almost surely, 2^{40505544403203} is an apocalyptic number.

40505544403203 is a deficient number, since it is larger than the sum of its proper divisors (18411611092413).

40505544403203 is a wasteful number, since it uses less digits than its factorization.

40505544403203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1227440739505.

The product of its (nonzero) digits is 576000, while the sum is 39.

Adding to 40505544403203 its reverse (30230444550504), we get a palindrome (70735988953707).

The spelling of 40505544403203 in words is "forty trillion, five hundred five billion, five hundred forty-four million, four hundred three thousand, two hundred three".