243400254435 has 96 divisors (see below), whose sum is σ = 468159531840. Its totient is φ = 116206285824.

The previous prime is 243400254407. The next prime is 243400254463. The reversal of 243400254435 is 534452004342.

243400254435 is a `hidden beast` number, since 2 + 43 + 40 + 0 + 2 + 544 + 35 = 666.

It is an interprime number because it is at equal distance from previous prime (243400254407) and next prime (243400254463).

It is not a de Polignac number, because 243400254435 - 2⁶ = 243400254371 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 243400254435.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6626701 + ... + 6663329.

It is an arithmetic number, because the mean of its divisors is an integer number (4876661790).

Almost surely, 2^243400254435 is an apocalyptic number.

243400254435 is a deficient number, since it is larger than the sum of its proper divisors (224759277405).

243400254435 is a wasteful number, since it uses less digits than its factorization.

243400254435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36997 (or 36994 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 36.

Adding to 243400254435 its reverse (534452004342), we get a palindrome (777852258777).

The spelling of 243400254435 in words is "two hundred forty-three billion, four hundred million, two hundred fifty-four thousand, four hundred thirty-five".