42516456534 has 48 divisors (see below), whose sum is σ = 92701477440. Its totient is φ = 14082752880.

The previous prime is 42516456533. The next prime is 42516456557. The reversal of 42516456534 is 43565461524.

42516456534 is a `hidden beast` number, since 4 + 2 + 5 + 1 + 64 + 56 + 534 = 666.

42516456534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×42516456534² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42516456534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42516456533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2494389 + ... + 2511375.

It is an arithmetic number, because the mean of its divisors is an integer number (1931280780).

Almost surely, 2^42516456534 is an apocalyptic number.

42516456534 is an abundant number, since it is smaller than the sum of its proper divisors (50185020906).

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

42516456534 is a wasteful number, since it uses less digits than its factorization.

42516456534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17865 (or 17862 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 45.

The spelling of 42516456534 in words is "forty-two billion, five hundred sixteen million, four hundred fifty-six thousand, five hundred thirty-four".