340361278 has 8 divisors (see below), whose sum is σ = 513674568. Its totient is φ = 169136424.

The previous prime is 340361251. The next prime is 340361299. The reversal of 340361278 is 872163043.

It is a happy number.

340361278 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-4 number, since 4×340361278⁴ (a number of 35 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 521701 + ... + 522352.

It is an arithmetic number, because the mean of its divisors is an integer number (64209321).

Almost surely, 2^340361278 is an apocalyptic number.

340361278 is a deficient number, since it is larger than the sum of its proper divisors (173313290).

340361278 is a wasteful number, since it uses less digits than its factorization.

340361278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044218.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 340361278 is about 18448.8828388063. The cubic root of 340361278 is about 698.2003281014.

The spelling of 340361278 in words is "three hundred forty million, three hundred sixty-one thousand, two hundred seventy-eight".