67229990880 has 384 divisors, whose sum is σ = 236722590720. Its totient is φ = 15931883520.

The previous prime is 67229990879. The next prime is 67229990881. The reversal of 67229990880 is 8809992276.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (67229990879) and next prime (67229990881).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67229990881) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19048956 + ... + 19052484.

It is an arithmetic number, because the mean of its divisors is an integer number (616465080).

Almost surely, 2^67229990880 is an apocalyptic number.

67229990880 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 67229990880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118361295360).

67229990880 is an abundant number, since it is smaller than the sum of its proper divisors (169492599840).

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

67229990880 is a wasteful number, since it uses less digits than its factorization.

67229990880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3674 (or 3666 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 60.

The spelling of 67229990880 in words is "sixty-seven billion, two hundred twenty-nine million, nine hundred ninety thousand, eight hundred eighty".