68400411 has 16 divisors (see below), whose sum is σ = 93045120. Its totient is φ = 44683200.

The previous prime is 68400403. The next prime is 68400419. The reversal of 68400411 is 11400486.

It is an interprime number because it is at equal distance from previous prime (68400403) and next prime (68400419).

It is not a de Polignac number, because 68400411 - 2³ = 68400403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68400419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106056 + ... + 106698.

It is an arithmetic number, because the mean of its divisors is an integer number (5815320).

Almost surely, 2^68400411 is an apocalyptic number.

68400411 is a deficient number, since it is larger than the sum of its proper divisors (24644709).

68400411 is a wasteful number, since it uses less digits than its factorization.

68400411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 68400411 is about 8270.4540987784. The cubic root of 68400411 is about 408.9650896887.

Adding to 68400411 its reverse (11400486), we get a palindrome (79800897).

The spelling of 68400411 in words is "sixty-eight million, four hundred thousand, four hundred eleven".