42532774452 has 72 divisors (see below), whose sum is σ = 122927715456. Its totient is φ = 12146756544.

The previous prime is 42532774451. The next prime is 42532774469. The reversal of 42532774452 is 25447723524.

42532774452 is a `hidden beast` number, since 4 + 2 + 532 + 7 + 74 + 45 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 42532774398 and 42532774407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42532774451) 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 23 ways as a sum of consecutive naturals, for example, 541033 + ... + 614639.

Almost surely, 2^42532774452 is an apocalyptic number.

42532774452 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

42532774452 is an abundant number, since it is smaller than the sum of its proper divisors (80394941004).

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

42532774452 is a wasteful number, since it uses less digits than its factorization.

42532774452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75917 (or 75912 counting only the distinct ones).

The product of its digits is 1881600, while the sum is 45.

The spelling of 42532774452 in words is "forty-two billion, five hundred thirty-two million, seven hundred seventy-four thousand, four hundred fifty-two".