42345068544 has 240 divisors, whose sum is σ = 129918789000. Its totient is φ = 13731545088.

The previous prime is 42345068497. The next prime is 42345068587. The reversal of 42345068544 is 44586054324.

42345068544 is a `hidden beast` number, since 4 + 2 + 3 + 45 + 0 + 68 + 544 = 666.

42345068544 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 42345068544.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6134407 + ... + 6141305.

Almost surely, 2^42345068544 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 42345068544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64959394500).

42345068544 is an abundant number, since it is smaller than the sum of its proper divisors (87573720456).

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

42345068544 is an equidigital number, since it uses as much as digits as its factorization.

42345068544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6970 (or 6941 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 45.

The spelling of 42345068544 in words is "forty-two billion, three hundred forty-five million, sixty-eight thousand, five hundred forty-four".