340055430 has 128 divisors (see below), whose sum is σ = 990130176. Its totient is φ = 73612800.

The previous prime is 340055413. The next prime is 340055431. The reversal of 340055430 is 34550043.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 340055430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340055431) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 131712 + ... + 134268.

It is an arithmetic number, because the mean of its divisors is an integer number (7735392).

Almost surely, 2^340055430 is an apocalyptic number.

340055430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 340055430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (495065088).

340055430 is an abundant number, since it is smaller than the sum of its proper divisors (650074746).

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

340055430 is a wasteful number, since it uses less digits than its factorization.

340055430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2622.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 340055430 is about 18440.5919102398. The cubic root of 340055430 is about 697.9911315967.

The spelling of 340055430 in words is "three hundred forty million, fifty-five thousand, four hundred thirty".