340526444217 has 16 divisors (see below), whose sum is σ = 468705042432. Its totient is φ = 219683471760.

The previous prime is 340526444213. The next prime is 340526444221. The reversal of 340526444217 is 712444625043.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (340526444213) and next prime (340526444221).

It is not a de Polignac number, because 340526444217 - 2² = 340526444213 is a prime.

It is a super-2 number, since 2×340526444217² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (340526444213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2038848 + ... + 2199534.

It is an arithmetic number, because the mean of its divisors is an integer number (29294065152).

Almost surely, 2^340526444217 is an apocalyptic number.

It is an amenable number.

340526444217 is a deficient number, since it is larger than the sum of its proper divisors (128178598215).

340526444217 is a wasteful number, since it uses less digits than its factorization.

340526444217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183508.

The product of its (nonzero) digits is 645120, while the sum is 42.

The spelling of 340526444217 in words is "three hundred forty billion, five hundred twenty-six million, four hundred forty-four thousand, two hundred seventeen".