340440167668 has 12 divisors (see below), whose sum is σ = 595778758372. Its totient is φ = 170217665280.

The previous prime is 340440167603. The next prime is 340440167671. The reversal of 340440167668 is 866761044043.

It can be written as a sum of positive squares in 2 ways, for example, as 206526620304 + 133913547364 = 454452^2 + 365942^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266973 + ... + 867268.

Almost surely, 2^340440167668 is an apocalyptic number.

It is an amenable number.

340440167668 is a deficient number, since it is larger than the sum of its proper divisors (255338590704).

340440167668 is a wasteful number, since it uses less digits than its factorization.

340440167668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209282 (or 1209280 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 49.

The spelling of 340440167668 in words is "three hundred forty billion, four hundred forty million, one hundred sixty-seven thousand, six hundred sixty-eight".