42394254336 has 924 divisors, whose sum is σ = 158137382280. Its totient is φ = 11287019520.

The previous prime is 42394254319. The next prime is 42394254341. The reversal of 42394254336 is 63345249324.

42394254336 is a `hidden beast` number, since 4 + 2 + 39 + 42 + 543 + 36 = 666.

42394254336 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 42394254291 and 42394254300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 694987746 + ... + 694987806.

Almost surely, 2^42394254336 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 42394254336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79068691140).

42394254336 is an abundant number, since it is smaller than the sum of its proper divisors (115743127944).

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

42394254336 is an equidigital number, since it uses as much as digits as its factorization.

42394254336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 92 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 45.

The spelling of 42394254336 in words is "forty-two billion, three hundred ninety-four million, two hundred fifty-four thousand, three hundred thirty-six".