340081556 has 6 divisors (see below), whose sum is σ = 595142730. Its totient is φ = 170040776.

The previous prime is 340081543. The next prime is 340081561. The reversal of 340081556 is 655180043.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 298736656 + 41344900 = 17284^2 + 6430^2 .

It is a super-2 number, since 2×340081556² = 231310929462762272, which contains 22 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 (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42510191 + ... + 42510198.

It is an arithmetic number, because the mean of its divisors is an integer number (99190455).

Almost surely, 2^340081556 is an apocalyptic number.

It is an amenable number.

340081556 is a deficient number, since it is larger than the sum of its proper divisors (255061174).

340081556 is a wasteful number, since it uses less digits than its factorization.

340081556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85020393 (or 85020391 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 340081556 is about 18441.3002795356. The cubic root of 340081556 is about 698.0090063780.

The spelling of 340081556 in words is "three hundred forty million, eighty-one thousand, five hundred fifty-six".