340722418 has 32 divisors (see below), whose sum is σ = 536256000. Its totient is φ = 162212544.

The previous prime is 340722413. The next prime is 340722419. The reversal of 340722418 is 814227043.

It is a super-2 number, since 2×340722418² = 232183532255533448, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 340722418.

It is not an unprimeable number, because it can be changed into a prime (340722413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 976108 + ... + 976456.

It is an arithmetic number, because the mean of its divisors is an integer number (16758000).

Almost surely, 2^340722418 is an apocalyptic number.

340722418 is a deficient number, since it is larger than the sum of its proper divisors (195533582).

340722418 is a wasteful number, since it uses less digits than its factorization.

340722418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 340722418 is about 18458.6678284214. The cubic root of 340722418 is about 698.4471824048.

The spelling of 340722418 in words is "three hundred forty million, seven hundred twenty-two thousand, four hundred eighteen".