340240500 has 240 divisors, whose sum is σ = 1150076928. Its totient is φ = 87480000.

The previous prime is 340240471. The next prime is 340240519. The reversal of 340240500 is 5042043.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 79 ways as a sum of consecutive naturals, for example, 1255365 + ... + 1255635.

Almost surely, 2^340240500 is an apocalyptic number.

340240500 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 340240500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (575038464).

340240500 is an abundant number, since it is smaller than the sum of its proper divisors (809836428).

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

340240500 is a wasteful number, since it uses less digits than its factorization.

340240500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333 (or 312 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 340240500 is about 18445.6092336361. The cubic root of 340240500 is about 698.1177323213.

Adding to 340240500 its reverse (5042043), we get a palindrome (345282543).

The spelling of 340240500 in words is "three hundred forty million, two hundred forty thousand, five hundred".