340143888 has 240 divisors, whose sum is σ = 1111428864. Its totient is φ = 89026560.

The previous prime is 340143863. The next prime is 340143911. The reversal of 340143888 is 888341043.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1879158 + ... + 1879338.

Almost surely, 2^340143888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340143888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (555714432).

340143888 is an abundant number, since it is smaller than the sum of its proper divisors (771284976).

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

340143888 is a wasteful number, since it uses less digits than its factorization.

340143888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 340143888 is about 18442.9902130864. The cubic root of 340143888 is about 698.0516487371.

Subtracting from 340143888 its product of nonzero digits (73728), we obtain a triangular number (340070160 = T₂₆₀₇₉).

The spelling of 340143888 in words is "three hundred forty million, one hundred forty-three thousand, eight hundred eighty-eight".