340408064 has 18 divisors (see below), whose sum is σ = 679486920. Its totient is φ = 170203904.

The previous prime is 340408043. The next prime is 340408067. The reversal of 340408064 is 460804043.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340408067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 664604 + ... + 665115.

Almost surely, 2^340408064 is an apocalyptic number.

It is an amenable number.

340408064 is a deficient number, since it is larger than the sum of its proper divisors (339078856).

340408064 is an equidigital number, since it uses as much as digits as its factorization.

340408064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329735 (or 1329721 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 340408064 is about 18450.1507852917. The cubic root of 340408064 is about 698.2323181328.

The spelling of 340408064 in words is "three hundred forty million, four hundred eight thousand, sixty-four".