340340481 has 24 divisors (see below), whose sum is σ = 545984160. Its totient is φ = 209437488.

The previous prime is 340340479. The next prime is 340340551. The reversal of 340340481 is 184043043.

It is not a de Polignac number, because 340340481 - 2¹ = 340340479 is a prime.

It is a super-2 number, since 2×340340481² = 231663286014622722, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (340340431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32731 + ... + 41856.

It is an arithmetic number, because the mean of its divisors is an integer number (22749340).

Almost surely, 2^340340481 is an apocalyptic number.

It is an amenable number.

340340481 is a deficient number, since it is larger than the sum of its proper divisors (205643679).

340340481 is a wasteful number, since it uses less digits than its factorization.

340340481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74622 (or 74603 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 340340481 is about 18448.3191917313. The cubic root of 340340481 is about 698.1861071653.

The spelling of 340340481 in words is "three hundred forty million, three hundred forty thousand, four hundred eighty-one".