68142032448 has 112 divisors (see below), whose sum is σ = 206107613184. Its totient is φ = 19463569920.

The previous prime is 68142032333. The next prime is 68142032503. The reversal of 68142032448 is 84423024186.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×68142032448² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7800243 + ... + 7808973.

Almost surely, 2^68142032448 is an apocalyptic number.

It is an amenable number.

68142032448 is an abundant number, since it is smaller than the sum of its proper divisors (137965580736).

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

68142032448 is a wasteful number, since it uses less digits than its factorization.

68142032448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14560 (or 14550 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 42.

The spelling of 68142032448 in words is "sixty-eight billion, one hundred forty-two million, thirty-two thousand, four hundred forty-eight".