340024520 has 96 divisors (see below), whose sum is σ = 848050560. Its totient is φ = 122601600.

The previous prime is 340024471. The next prime is 340024537. The reversal of 340024520 is 25420043.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 340024492 and 340024501.

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 23 ways as a sum of consecutive naturals, for example, 788705 + ... + 789135.

It is an arithmetic number, because the mean of its divisors is an integer number (8833860).

Almost surely, 2^340024520 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 340024520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (424025280).

340024520 is an abundant number, since it is smaller than the sum of its proper divisors (508026040).

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

340024520 is a wasteful number, since it uses less digits than its factorization.

340024520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627 (or 612 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 340024520 is about 18439.7537944518. The cubic root of 340024520 is about 697.9699825352.

Adding to 340024520 its reverse (25420043), we get a palindrome (365444563).

The spelling of 340024520 in words is "three hundred forty million, twenty-four thousand, five hundred twenty".