340187799209 has 32 divisors (see below), whose sum is σ = 362207664000. Its totient is φ = 318610091520.

The previous prime is 340187799197. The next prime is 340187799223. The reversal of 340187799209 is 902997781043.

It is a cyclic number.

It is not a de Polignac number, because 340187799209 - 2¹² = 340187795113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340187799229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 650454422 + ... + 650454944.

It is an arithmetic number, because the mean of its divisors is an integer number (11318989500).

Almost surely, 2^340187799209 is an apocalyptic number.

It is an amenable number.

340187799209 is a deficient number, since it is larger than the sum of its proper divisors (22019864791).

340187799209 is a wasteful number, since it uses less digits than its factorization.

340187799209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545.

The product of its (nonzero) digits is 6858432, while the sum is 59.

The spelling of 340187799209 in words is "three hundred forty billion, one hundred eighty-seven million, seven hundred ninety-nine thousand, two hundred nine".