67495849344 has 256 divisors, whose sum is σ = 248362329600. Its totient is φ = 17531320320.

The previous prime is 67495849339. The next prime is 67495849363. The reversal of 67495849344 is 44394859476.

It is a happy number.

67495849344 is a `hidden beast` number, since 6 + 7 + 4 + 9 + 584 + 9 + 3 + 44 = 666.

67495849344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139294 + ... + 392930.

It is an arithmetic number, because the mean of its divisors is an integer number (970165350).

Almost surely, 2^67495849344 is an apocalyptic number.

67495849344 is a gapful number since it is divisible by the number (64) 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 67495849344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124181164800).

67495849344 is an abundant number, since it is smaller than the sum of its proper divisors (180866480256).

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

67495849344 is a wasteful number, since it uses less digits than its factorization.

67495849344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253678 (or 253660 counting only the distinct ones).

The product of its digits is 104509440, while the sum is 63.

The spelling of 67495849344 in words is "sixty-seven billion, four hundred ninety-five million, eight hundred forty-nine thousand, three hundred forty-four".