340640276 has 48 divisors (see below), whose sum is σ = 633346560. Its totient is φ = 160080000.

The previous prime is 340640269. The next prime is 340640297. The reversal of 340640276 is 672046043.

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 15 ways as a sum of consecutive naturals, for example, 738686 + ... + 739146.

It is an arithmetic number, because the mean of its divisors is an integer number (13194720).

Almost surely, 2^340640276 is an apocalyptic number.

It is an amenable number.

340640276 is a deficient number, since it is larger than the sum of its proper divisors (292706284).

340640276 is a wasteful number, since it uses less digits than its factorization.

340640276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656 (or 654 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 340640276 is about 18456.4426691603. The cubic root of 340640276 is about 698.3910502412.

The spelling of 340640276 in words is "three hundred forty million, six hundred forty thousand, two hundred seventy-six".