42508385748 has 18 divisors (see below), whose sum is σ = 107451752954. Its totient is φ = 14169461904.

The previous prime is 42508385713. The next prime is 42508385753. The reversal of 42508385748 is 84758380524.

42508385748 is a `hidden beast` number, since 4 + 250 + 8 + 385 + 7 + 4 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 30196707984 + 12311677764 = 173772^2 + 110958^2 .

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

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 42508385694 and 42508385703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 590394211 + ... + 590394282.

Almost surely, 2^42508385748 is an apocalyptic number.

It is an amenable number.

42508385748 is an abundant number, since it is smaller than the sum of its proper divisors (64943367206).

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

42508385748 is a wasteful number, since it uses less digits than its factorization.

42508385748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180788503 (or 1180788498 counting only the distinct ones).

The product of its (nonzero) digits is 8601600, while the sum is 54.

The spelling of 42508385748 in words is "forty-two billion, five hundred eight million, three hundred eighty-five thousand, seven hundred forty-eight".