68434201944 has 64 divisors (see below), whose sum is σ = 190766889600. Its totient is φ = 22730774688.

The previous prime is 68434201937. The next prime is 68434201961. The reversal of 68434201944 is 44910243486.

68434201944 is a `hidden beast` number, since 6 + 8 + 434 + 20 + 194 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 68434201944.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 498634 + ... + 620889.

It is an arithmetic number, because the mean of its divisors is an integer number (2980732650).

Almost surely, 2^68434201944 is an apocalyptic number.

It is an amenable number.

68434201944 is an abundant number, since it is smaller than the sum of its proper divisors (122332687656).

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

68434201944 is a wasteful number, since it uses less digits than its factorization.

68434201944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119821 (or 1119811 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The spelling of 68434201944 in words is "sixty-eight billion, four hundred thirty-four million, two hundred one thousand, nine hundred forty-four".