42505540453 has 8 divisors (see below), whose sum is σ = 45024080472. Its totient is φ = 39989024256.

The previous prime is 42505540423. The next prime is 42505540531. The reversal of 42505540453 is 35404550524.

42505540453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 14410081764 + 28095458689 = 120042^2 + 167617^2 .

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 42505540453 - 2⁹ = 42505539941 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 (42505540423) 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, 462600 + ... + 546817.

It is an arithmetic number, because the mean of its divisors is an integer number (5628010059).

Almost surely, 2^42505540453 is an apocalyptic number.

It is an amenable number.

42505540453 is a deficient number, since it is larger than the sum of its proper divisors (2518540019).

42505540453 is a wasteful number, since it uses less digits than its factorization.

42505540453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011911.

The product of its (nonzero) digits is 240000, while the sum is 37.

The spelling of 42505540453 in words is "forty-two billion, five hundred five million, five hundred forty thousand, four hundred fifty-three".