42718615552 has 48 divisors (see below), whose sum is σ = 85589595000. Its totient is φ = 21315993600.

The previous prime is 42718615519. The next prime is 42718615579. The reversal of 42718615552 is 25551681724.

It is a super-2 number, since 2×42718615552² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001052 + ... + 1042852.

Almost surely, 2^42718615552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42718615552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42794797500).

42718615552 is an abundant number, since it is smaller than the sum of its proper divisors (42870979448).

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

42718615552 is an equidigital number, since it uses as much as digits as its factorization.

42718615552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42322 (or 42302 counting only the distinct ones).

The product of its digits is 672000, while the sum is 46.

The spelling of 42718615552 in words is "forty-two billion, seven hundred eighteen million, six hundred fifteen thousand, five hundred fifty-two".