243400540335 has 16 divisors (see below), whose sum is σ = 393080501376. Its totient is φ = 128600409248.

The previous prime is 243400540319. The next prime is 243400540351. The reversal of 243400540335 is 533045004342.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (243400540319) and next prime (243400540351).

It is a cyclic number.

It is not a de Polignac number, because 243400540335 - 2⁴ = 243400540319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 243400540296 and 243400540305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75824109 + ... + 75827318.

It is an arithmetic number, because the mean of its divisors is an integer number (24567531336).

Almost surely, 2^243400540335 is an apocalyptic number.

243400540335 is a deficient number, since it is larger than the sum of its proper divisors (149679961041).

243400540335 is a wasteful number, since it uses less digits than its factorization.

243400540335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151651542.

The product of its (nonzero) digits is 86400, while the sum is 33.

Adding to 243400540335 its reverse (533045004342), we get a palindrome (776445544677).

The spelling of 243400540335 in words is "two hundred forty-three billion, four hundred million, five hundred forty thousand, three hundred thirty-five".