68411140 has 24 divisors (see below), whose sum is σ = 164187072. Its totient is φ = 23455200.

The previous prime is 68411137. The next prime is 68411159. The reversal of 68411140 is 4111486.

68411140 is nontrivially palindromic in base 8.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244186 + ... + 244465.

It is an arithmetic number, because the mean of its divisors is an integer number (6841128).

Almost surely, 2^68411140 is an apocalyptic number.

It is an amenable number.

68411140 is an abundant number, since it is smaller than the sum of its proper divisors (95775932).

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

68411140 is a wasteful number, since it uses less digits than its factorization.

68411140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488667 (or 488665 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 68411140 is about 8271.1027076201. The cubic root of 68411140 is about 408.9864714172.

The spelling of 68411140 in words is "sixty-eight million, four hundred eleven thousand, one hundred forty".