42540445503 has 12 divisors (see below), whose sum is σ = 61500711168. Its totient is φ = 28335650400.

The previous prime is 42540445487. The next prime is 42540445583. The reversal of 42540445503 is 30554404524.

42540445503 is a `hidden beast` number, since 4 + 25 + 40 + 44 + 550 + 3 = 666.

It is not a de Polignac number, because 42540445503 - 2⁴ = 42540445487 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42540445583) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2042950 + ... + 2063667.

It is an arithmetic number, because the mean of its divisors is an integer number (5125059264).

Almost surely, 2^42540445503 is an apocalyptic number.

42540445503 is a deficient number, since it is larger than the sum of its proper divisors (18960265665).

42540445503 is a wasteful number, since it uses less digits than its factorization.

42540445503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4107774 (or 4107771 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 36.

The spelling of 42540445503 in words is "forty-two billion, five hundred forty million, four hundred forty-five thousand, five hundred three".