42006563892 has 18 divisors (see below), whose sum is σ = 106183258818. Its totient is φ = 14002187952.

The previous prime is 42006563827. The next prime is 42006563909. The reversal of 42006563892 is 29836560024.

42006563892 is a `hidden beast` number, since 4 + 2 + 0 + 0 + 6 + 5 + 638 + 9 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 40030405776 + 1976158116 = 200076^2 + 44454^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 583424463 + ... + 583424534.

Almost surely, 2^42006563892 is an apocalyptic number.

It is an amenable number.

42006563892 is an abundant number, since it is smaller than the sum of its proper divisors (64176694926).

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

42006563892 is a wasteful number, since it uses less digits than its factorization.

42006563892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166849007 (or 1166849002 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 42006563892 in words is "forty-two billion, six million, five hundred sixty-three thousand, eight hundred ninety-two".