355240434439 has 6 divisors (see below), whose sum is σ = 390470890880. Its totient is φ = 322945849380.

The previous prime is 355240434421. The next prime is 355240434457. The reversal of 355240434439 is 934434042553.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (355240434421) and next prime (355240434457).

It is a de Polignac number, because none of the positive numbers 2^k-355240434439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355240434469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1467935559 + ... + 1467935800.

Almost surely, 2^355240434439 is an apocalyptic number.

355240434439 is a deficient number, since it is larger than the sum of its proper divisors (35230456441).

355240434439 is a wasteful number, since it uses less digits than its factorization.

355240434439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2935871381 (or 2935871370 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 46.

The spelling of 355240434439 in words is "three hundred fifty-five billion, two hundred forty million, four hundred thirty-four thousand, four hundred thirty-nine".