67982140432 has 20 divisors (see below), whose sum is σ = 135964281856. Its totient is φ = 32894583840.

The previous prime is 67982140403. The next prime is 67982140441. The reversal of 67982140432 is 23404128976.

It is a happy number.

67982140432 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68529888 + ... + 68530879.

Almost surely, 2^67982140432 is an apocalyptic number.

67982140432 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

67982140432 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

67982140432 is a wasteful number, since it uses less digits than its factorization.

67982140432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137060806 (or 137060800 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 67982140432 in words is "sixty-seven billion, nine hundred eighty-two million, one hundred forty thousand, four hundred thirty-two".