67939223040 has 960 divisors, whose sum is σ = 272254574592. Its totient is φ = 16124313600.

The previous prime is 67939222999. The next prime is 67939223047. The reversal of 67939223040 is 4032293976.

It is a tau number, because it is divible by the number of its divisors (960).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67939223047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 250698105 + ... + 250698375.

Almost surely, 2^67939223040 is an apocalyptic number.

67939223040 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 67939223040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136127287296).

67939223040 is an abundant number, since it is smaller than the sum of its proper divisors (204315351552).

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

67939223040 is a wasteful number, since it uses less digits than its factorization.

67939223040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353 (or 325 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 45.

The spelling of 67939223040 in words is "sixty-seven billion, nine hundred thirty-nine million, two hundred twenty-three thousand, forty".