340866240 has 336 divisors, whose sum is σ = 1285134336. Its totient is φ = 75878400.

The previous prime is 340866223. The next prime is 340866293. The reversal of 340866240 is 42668043.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1784545 + ... + 1784735.

Almost surely, 2^340866240 is an apocalyptic number.

340866240 is a gapful number since it is divisible by the number (30) 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 340866240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (642567168).

340866240 is an abundant number, since it is smaller than the sum of its proper divisors (944268096).

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

340866240 is a wasteful number, since it uses less digits than its factorization.

340866240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 340866240 is about 18462.5632023292. The cubic root of 340866240 is about 698.5454421951.

The spelling of 340866240 in words is "three hundred forty million, eight hundred sixty-six thousand, two hundred forty".