42540305332053 has 16 divisors (see below), whose sum is σ = 58105314239616. Its totient is φ = 27667785288960.

The previous prime is 42540305331947. The next prime is 42540305332073. The reversal of 42540305332053 is 35023350304524.

It is a de Polignac number, because none of the positive numbers 2^k-42540305332053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42540305332073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 449425 + ... + 9234857.

It is an arithmetic number, because the mean of its divisors is an integer number (3631582139976).

Almost surely, 2^{42540305332053} is an apocalyptic number.

It is an amenable number.

42540305332053 is a deficient number, since it is larger than the sum of its proper divisors (15565008907563).

42540305332053 is a wasteful number, since it uses less digits than its factorization.

42540305332053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8824844.

The product of its (nonzero) digits is 648000, while the sum is 39.

Adding to 42540305332053 its reverse (35023350304524), we get a palindrome (77563655636577).

The spelling of 42540305332053 in words is "forty-two trillion, five hundred forty billion, three hundred five million, three hundred thirty-two thousand, fifty-three".