42320495616 has 264 divisors, whose sum is σ = 131837935680. Its totient is φ = 12034326528.

The previous prime is 42320495611. The next prime is 42320495681. The reversal of 42320495616 is 61659402324.

It is a super-3 number, since 3×42320495616³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (42320495611) 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, 39588330 + ... + 39589398.

It is an arithmetic number, because the mean of its divisors is an integer number (499386120).

Almost surely, 2^42320495616 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 42320495616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65918967840).

42320495616 is an abundant number, since it is smaller than the sum of its proper divisors (89517440064).

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

42320495616 is a wasteful number, since it uses less digits than its factorization.

42320495616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369 (or 1344 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 42320495616 in words is "forty-two billion, three hundred twenty million, four hundred ninety-five thousand, six hundred sixteen".