340345053 has 48 divisors (see below), whose sum is σ = 527514624. Its totient is φ = 210988800.

The previous prime is 340345009. The next prime is 340345079. The reversal of 340345053 is 350543043.

It is a happy number.

It is not a de Polignac number, because 340345053 - 2¹³ = 340336861 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340345153) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1526100 + ... + 1526322.

It is an arithmetic number, because the mean of its divisors is an integer number (10989888).

Almost surely, 2^340345053 is an apocalyptic number.

It is an amenable number.

340345053 is a deficient number, since it is larger than the sum of its proper divisors (187169571).

340345053 is a wasteful number, since it uses less digits than its factorization.

340345053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426 (or 423 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 27.

The square root of 340345053 is about 18448.4431050428. The cubic root of 340345053 is about 698.1892335370.

Adding to 340345053 its reverse (350543043), we get a palindrome (690888096).

The spelling of 340345053 in words is "three hundred forty million, three hundred forty-five thousand, fifty-three".