42545254524 has 48 divisors (see below), whose sum is σ = 101390298240.
Its totient is φ = 13882311360.
The previous prime is 42545254429. The next prime is 42545254541.
It is a happy number.
42545254524 is nontrivially palindromic in base 10.
It is a super-3 number, since 3×425452545243 (a number of 33 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87382 + ... + 304509.
It is an arithmetic number, because the mean of its divisors is an integer number (2112297880).
Almost surely, 242545254524 is an apocalyptic number.
It is an amenable number.
42545254524 is an abundant number, since it is smaller than the sum of its proper divisors (58845043716).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42545254524 is a wasteful number, since it uses less digits than its factorization.
42545254524 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 392090 (or 392088 counting only the distinct ones).
The product of its digits is 1280000, while the sum is 42.
The spelling of 42545254524 in words is "forty-two billion, five hundred forty-five million, two hundred fifty-four thousand, five hundred twenty-four".