67848243840 has 768 divisors, whose sum is σ = 269023547520. Its totient is φ = 16231809024.

The previous prime is 67848243817. The next prime is 67848243863. The reversal of 67848243840 is 4834284876.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (67848243817) and next prime (67848243863).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 74804667 + ... + 74805573.

Almost surely, 2^67848243840 is an apocalyptic number.

67848243840 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67848243840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134511773760).

67848243840 is an abundant number, since it is smaller than the sum of its proper divisors (201175303680).

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

67848243840 is a wasteful number, since it uses less digits than its factorization.

67848243840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991 (or 967 counting only the distinct ones).

The product of its (nonzero) digits is 8257536, while the sum is 54.

The spelling of 67848243840 in words is "sixty-seven billion, eight hundred forty-eight million, two hundred forty-three thousand, eight hundred forty".