340520030 has 64 divisors (see below), whose sum is σ = 676512000. Its totient is φ = 123257344.

The previous prime is 340520021. The next prime is 340520051. The reversal of 340520030 is 30025043.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 340519990 and 340520008.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1424651 + ... + 1424889.

It is an arithmetic number, because the mean of its divisors is an integer number (10570500).

Almost surely, 2^340520030 is an apocalyptic number.

340520030 is a deficient number, since it is larger than the sum of its proper divisors (335991970).

340520030 is a wasteful number, since it uses less digits than its factorization.

340520030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326 (or 292 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 340520030 is about 18453.1848199708. The cubic root of 340520030 is about 698.3088632347.

Adding to 340520030 its reverse (30025043), we get a palindrome (370545073).

The spelling of 340520030 in words is "three hundred forty million, five hundred twenty thousand, thirty".