40542544524503 has 24 divisors (see below), whose sum is σ = 48873746595600. Its totient is φ = 33493482572928.

The previous prime is 40542544524497. The next prime is 40542544524553. The reversal of 40542544524503 is 30542544524504.

It is not a de Polignac number, because 40542544524503 - 2⁶ = 40542544524439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40542544524553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24262625 + ... + 25879722.

It is an arithmetic number, because the mean of its divisors is an integer number (2036406108150).

Almost surely, 2^{40542544524503} is an apocalyptic number.

40542544524503 is a deficient number, since it is larger than the sum of its proper divisors (8331202071097).

40542544524503 is a wasteful number, since it uses less digits than its factorization.

40542544524503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50142959 (or 50142952 counting only the distinct ones).

The product of its (nonzero) digits is 7680000, while the sum is 47.

Subtracting from 40542544524503 its reverse (30542544524504), we obtain a palindrome (9999999999999).

The spelling of 40542544524503 in words is "forty trillion, five hundred forty-two billion, five hundred forty-four million, five hundred twenty-four thousand, five hundred three".