42534213452 has 48 divisors (see below), whose sum is σ = 79194441312. Its totient is φ = 19919539200.

The previous prime is 42534213451. The next prime is 42534213473. The reversal of 42534213452 is 25431243524.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (42534213451) 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, 22373702 + ... + 22375602.

It is an arithmetic number, because the mean of its divisors is an integer number (1649884194).

Almost surely, 2^42534213452 is an apocalyptic number.

It is an amenable number.

42534213452 is a deficient number, since it is larger than the sum of its proper divisors (36660227860).

42534213452 is a wasteful number, since it uses less digits than its factorization.

42534213452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3338 (or 3336 counting only the distinct ones).

The product of its digits is 115200, while the sum is 35.

Adding to 42534213452 its reverse (25431243524), we get a palindrome (67965456976).

The spelling of 42534213452 in words is "forty-two billion, five hundred thirty-four million, two hundred thirteen thousand, four hundred fifty-two".