67066235040 has 384 divisors, whose sum is σ = 245488320000. Its totient is φ = 15074574336.

The previous prime is 67066235021. The next prime is 67066235051. The reversal of 67066235040 is 4053266076.

67066235040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 67066235040.

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, 54569146 + ... + 54570374.

It is an arithmetic number, because the mean of its divisors is an integer number (639292500).

Almost surely, 2^67066235040 is an apocalyptic number.

67066235040 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 67066235040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122744160000).

67066235040 is an abundant number, since it is smaller than the sum of its proper divisors (178422084960).

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

67066235040 is a wasteful number, since it uses less digits than its factorization.

67066235040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512 (or 1504 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 39.

The spelling of 67066235040 in words is "sixty-seven billion, sixty-six million, two hundred thirty-five thousand, forty".