42394720368 has 320 divisors, whose sum is σ = 154790092800. Its totient is φ = 9629383680.

The previous prime is 42394720339. The next prime is 42394720391. The reversal of 42394720368 is 86302749324.

42394720368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 889693 + ... + 936131.

It is an arithmetic number, because the mean of its divisors is an integer number (483719040).

Almost surely, 2^42394720368 is an apocalyptic number.

42394720368 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42394720368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77395046400).

42394720368 is an abundant number, since it is smaller than the sum of its proper divisors (112395372432).

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

42394720368 is a wasteful number, since it uses less digits than its factorization.

42394720368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46500 (or 46494 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 48.

The spelling of 42394720368 in words is "forty-two billion, three hundred ninety-four million, seven hundred twenty thousand, three hundred sixty-eight".