320400043154 has 64 divisors (see below), whose sum is σ = 547125840000. Its totient is φ = 139802858496.

The previous prime is 320400043147. The next prime is 320400043217. The reversal of 320400043154 is 451340004023.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8709752 + ... + 8746460.

It is an arithmetic number, because the mean of its divisors is an integer number (8548841250).

Almost surely, 2^320400043154 is an apocalyptic number.

320400043154 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

320400043154 is a deficient number, since it is larger than the sum of its proper divisors (226725796846).

320400043154 is a wasteful number, since it uses less digits than its factorization.

320400043154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37035.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 320400043154 its reverse (451340004023), we get a palindrome (771740047177).

The spelling of 320400043154 in words is "three hundred twenty billion, four hundred million, forty-three thousand, one hundred fifty-four".