67889802240 has 704 divisors, whose sum is σ = 267110901120. Its totient is φ = 16243752960.

The previous prime is 67889802221. The next prime is 67889802257. The reversal of 67889802240 is 4220898876.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 66492930 + ... + 66493950.

Almost surely, 2^67889802240 is an apocalyptic number.

67889802240 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 67889802240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133555450560).

67889802240 is an abundant number, since it is smaller than the sum of its proper divisors (199221098880).

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

67889802240 is a wasteful number, since it uses less digits than its factorization.

67889802240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105 (or 1081 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 54.

The spelling of 67889802240 in words is "sixty-seven billion, eight hundred eighty-nine million, eight hundred two thousand, two hundred forty".