40103205253545 has 64 divisors (see below), whose sum is σ = 75045735604224. Its totient is φ = 17904453477120.

The previous prime is 40103205253519. The next prime is 40103205253547. The reversal of 40103205253545 is 54535250230104.

It is not a de Polignac number, because 40103205253545 - 2⁶ = 40103205253481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40103205253547) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 38417815 + ... + 39447875.

It is an arithmetic number, because the mean of its divisors is an integer number (1172589618816).

Almost surely, 2^{40103205253545} is an apocalyptic number.

It is an amenable number.

40103205253545 is a deficient number, since it is larger than the sum of its proper divisors (34942530350679).

40103205253545 is a wasteful number, since it uses less digits than its factorization.

40103205253545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038742.

The product of its (nonzero) digits is 360000, while the sum is 39.

Adding to 40103205253545 its reverse (54535250230104), we get a palindrome (94638455483649).

The spelling of 40103205253545 in words is "forty trillion, one hundred three billion, two hundred five million, two hundred fifty-three thousand, five hundred forty-five".