434240212355 has 4 divisors (see below), whose sum is σ = 521088254832. Its totient is φ = 347392169880.

The previous prime is 434240212349. The next prime is 434240212369. The reversal of 434240212355 is 553212042434.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-434240212355 is a prime.

It is a super-2 number, since 2×434240212355² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43424021231 + ... + 43424021240.

It is an arithmetic number, because the mean of its divisors is an integer number (130272063708).

Almost surely, 2^434240212355 is an apocalyptic number.

434240212355 is a deficient number, since it is larger than the sum of its proper divisors (86848042477).

434240212355 is an equidigital number, since it uses as much as digits as its factorization.

434240212355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86848042476.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 434240212355 its reverse (553212042434), we get a palindrome (987452254789).

The spelling of 434240212355 in words is "four hundred thirty-four billion, two hundred forty million, two hundred twelve thousand, three hundred fifty-five".