427543732242 has 80 divisors (see below), whose sum is σ = 1069411904352. Its totient is φ = 126545690880.

The previous prime is 427543732123. The next prime is 427543732249. The reversal of 427543732242 is 242237345724.

427543732242 is a `hidden beast` number, since 4 + 2 + 7 + 54 + 373 + 224 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (427543732249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2713183 + ... + 2866434.

Almost surely, 2^427543732242 is an apocalyptic number.

427543732242 is an abundant number, since it is smaller than the sum of its proper divisors (641868172110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

427543732242 is a wasteful number, since it uses less digits than its factorization.

427543732242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5579685 (or 5579676 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 45.

The spelling of 427543732242 in words is "four hundred twenty-seven billion, five hundred forty-three million, seven hundred thirty-two thousand, two hundred forty-two".