67486570140 has 96 divisors (see below), whose sum is σ = 206592793344. Its totient is φ = 16324508160.

The previous prime is 67486570139. The next prime is 67486570159. The reversal of 67486570140 is 4107568476.

It is a super-2 number, since 2×67486570140² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 67486570140.

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, 189747 + ... + 413493.

It is an arithmetic number, because the mean of its divisors is an integer number (2152008264).

Almost surely, 2^67486570140 is an apocalyptic number.

67486570140 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 67486570140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103296396672).

67486570140 is an abundant number, since it is smaller than the sum of its proper divisors (139106223204).

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

67486570140 is a wasteful number, since it uses less digits than its factorization.

67486570140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224227 (or 224225 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 67486570140 in words is "sixty-seven billion, four hundred eighty-six million, five hundred seventy thousand, one hundred forty".