42742745352 has 48 divisors (see below), whose sum is σ = 115914671340. Its totient is φ = 14228742528.

The previous prime is 42742745351. The next prime is 42742745407. The reversal of 42742745352 is 25354724724.

42742745352 is a `hidden beast` number, since 4 + 2 + 7 + 42 + 74 + 535 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 42652988676 + 89756676 = 206526^2 + 9474^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42742745298 and 42742745307.

It is not an unprimeable number, because it can be changed into a prime (42742745351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 337603 + ... + 446610.

Almost surely, 2^42742745352 is an apocalyptic number.

It is an amenable number.

42742745352 is an abundant number, since it is smaller than the sum of its proper divisors (73171925988).

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

42742745352 is a wasteful number, since it uses less digits than its factorization.

42742745352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784982 (or 784975 counting only the distinct ones).

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

The spelling of 42742745352 in words is "forty-two billion, seven hundred forty-two million, seven hundred forty-five thousand, three hundred fifty-two".