42513068307456 has 132 divisors (see below), whose sum is σ = 129976478044452. Its totient is φ = 13337433145344.

The previous prime is 42513068307389. The next prime is 42513068307487. The reversal of 42513068307456 is 65470386031524.

42513068307456 is a `hidden beast` number, since 4 + 2 + 513 + 0 + 6 + 8 + 3 + 0 + 74 + 56 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11594842214400 + 30918226093056 = 3405120^2 + 5560416^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135518715 + ... + 135832058.

Almost surely, 2^{42513068307456} is an apocalyptic number.

It is an amenable number.

42513068307456 is an abundant number, since it is smaller than the sum of its proper divisors (87463409736996).

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

42513068307456 is a wasteful number, since it uses less digits than its factorization.

42513068307456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271350816 (or 271350795 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 54.

The spelling of 42513068307456 in words is "forty-two trillion, five hundred thirteen billion, sixty-eight million, three hundred seven thousand, four hundred fifty-six".