340511445 has 120 divisors (see below), whose sum is σ = 687089304. Its totient is φ = 160745472.

The previous prime is 340511443. The next prime is 340511449. The reversal of 340511445 is 544115043.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 82137969 + 258373476 = 9063^2 + 16074^2 .

It is not a de Polignac number, because 340511445 - 2¹ = 340511443 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340511443) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 2485417 + ... + 2485553.

Almost surely, 2^340511445 is an apocalyptic number.

It is an amenable number.

340511445 is an abundant number, since it is smaller than the sum of its proper divisors (346577859).

340511445 is a wasteful number, since it uses less digits than its factorization.

340511445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209 (or 181 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 340511445 is about 18452.9522028319. The cubic root of 340511445 is about 698.3029947283.

Adding to 340511445 its reverse (544115043), we get a palindrome (884626488).

The spelling of 340511445 in words is "three hundred forty million, five hundred eleven thousand, four hundred forty-five".