42523457616 has 30 divisors (see below), whose sum is σ = 119006621370. Its totient is φ = 14174485824.

The previous prime is 42523457593. The next prime is 42523457621. The reversal of 42523457616 is 61675432524.

42523457616 is a `hidden beast` number, since 4 + 2 + 5 + 23 + 4 + 5 + 7 + 616 = 666.

It can be written as a sum of positive squares in only one way, i.e., 28244163600 + 14279294016 = 168060^2 + 119496^2 .

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, 147650751 + ... + 147651038.

It is an arithmetic number, because the mean of its divisors is an integer number (3966887379).

Almost surely, 2^42523457616 is an apocalyptic number.

It is an amenable number.

42523457616 is an abundant number, since it is smaller than the sum of its proper divisors (76483163754).

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

42523457616 is a wasteful number, since it uses less digits than its factorization.

42523457616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295301803 (or 295301794 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 45.

The spelling of 42523457616 in words is "forty-two billion, five hundred twenty-three million, four hundred fifty-seven thousand, six hundred sixteen".