340125520 has 80 divisors (see below), whose sum is σ = 906334848. Its totient is φ = 116282880.

The previous prime is 340125509. The next prime is 340125529. The reversal of 340125520 is 25521043.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 340125491 and 340125500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340125529) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 274342 + ... + 275578.

Almost surely, 2^340125520 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 340125520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (453167424).

340125520 is an abundant number, since it is smaller than the sum of its proper divisors (566209328).

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

340125520 is a wasteful number, since it uses less digits than its factorization.

340125520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1748 (or 1742 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 340125520 is about 18442.4922393911. The cubic root of 340125520 is about 698.0390834239.

Adding to 340125520 its reverse (25521043), we get a palindrome (365646563).

The spelling of 340125520 in words is "three hundred forty million, one hundred twenty-five thousand, five hundred twenty".