42294423834 has 64 divisors (see below), whose sum is σ = 101747681280. Its totient is φ = 12945493440.

The previous prime is 42294423827. The next prime is 42294423877. The reversal of 42294423834 is 43832449224.

It is a happy number.

42294423834 is a `hidden beast` number, since 4 + 229 + 4 + 42 + 383 + 4 = 666.

42294423834 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 42294423834.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23637 + ... + 291800.

It is an arithmetic number, because the mean of its divisors is an integer number (1589807520).

Almost surely, 2^42294423834 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42294423834, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50873840640).

42294423834 is an abundant number, since it is smaller than the sum of its proper divisors (59453257446).

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

42294423834 is a wasteful number, since it uses less digits than its factorization.

42294423834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315652 (or 315646 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 45.

The spelling of 42294423834 in words is "forty-two billion, two hundred ninety-four million, four hundred twenty-three thousand, eight hundred thirty-four".