340401056 has 24 divisors (see below), whose sum is σ = 670600224. Its totient is φ = 170089920.

The previous prime is 340401037. The next prime is 340401067. The reversal of 340401056 is 650104043.

It is a happy 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, 71651 + ... + 76253.

It is an arithmetic number, because the mean of its divisors is an integer number (27941676).

Almost surely, 2^340401056 is an apocalyptic number.

It is an amenable number.

340401056 is a deficient number, since it is larger than the sum of its proper divisors (330199168).

340401056 is a wasteful number, since it uses less digits than its factorization.

340401056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6924 (or 6916 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 340401056 is about 18449.9608671672. The cubic root of 340401056 is about 698.2275265839.

Adding to 340401056 its reverse (650104043), we get a palindrome (990505099).

The spelling of 340401056 in words is "three hundred forty million, four hundred one thousand, fifty-six".