340268445 has 40 divisors (see below), whose sum is σ = 665422560. Its totient is φ = 164976480.

The previous prime is 340268441. The next prime is 340268477. The reversal of 340268445 is 544862043.

It is not a de Polignac number, because 340268445 - 2² = 340268441 is a prime.

It is a super-2 number, since 2×340268445² = 231565229325436050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340268441) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 33735 + ... + 42644.

It is an arithmetic number, because the mean of its divisors is an integer number (16635564).

Almost surely, 2^340268445 is an apocalyptic number.

It is an amenable number.

340268445 is a deficient number, since it is larger than the sum of its proper divisors (325154115).

340268445 is a wasteful number, since it uses less digits than its factorization.

340268445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76407 (or 76398 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The square root of 340268445 is about 18446.3667154266. The cubic root of 340268445 is about 698.1368446511.

The spelling of 340268445 in words is "three hundred forty million, two hundred sixty-eight thousand, four hundred forty-five".