340028148705 has 128 divisors (see below), whose sum is σ = 648781332480. Its totient is φ = 148830151680.

The previous prime is 340028148683. The next prime is 340028148739. The reversal of 340028148705 is 507841820043.

It is not a de Polignac number, because 340028148705 - 2²⁹ = 339491277793 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 228666472 + ... + 228667958.

It is an arithmetic number, because the mean of its divisors is an integer number (5068604160).

Almost surely, 2^340028148705 is an apocalyptic number.

340028148705 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

340028148705 is a deficient number, since it is larger than the sum of its proper divisors (308753183775).

340028148705 is a wasteful number, since it uses less digits than its factorization.

340028148705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2439.

The product of its (nonzero) digits is 215040, while the sum is 42.

Adding to 340028148705 its reverse (507841820043), we get a palindrome (847869968748).

The spelling of 340028148705 in words is "three hundred forty billion, twenty-eight million, one hundred forty-eight thousand, seven hundred five".