255520330435 has 12 divisors (see below), whose sum is σ = 309463344288. Its totient is φ = 202540838688.

The previous prime is 255520330423. The next prime is 255520330447. The reversal of 255520330435 is 534033025552.

It is an interprime number because it is at equal distance from previous prime (255520330423) and next prime (255520330447).

It is not a de Polignac number, because 255520330435 - 2²³ = 255511941827 is a prime.

It is a super-2 number, since 2×255520330435² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255520330394 and 255520330403.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2091259 + ... + 2210068.

It is an arithmetic number, because the mean of its divisors is an integer number (25788612024).

Almost surely, 2^255520330435 is an apocalyptic number.

255520330435 is a deficient number, since it is larger than the sum of its proper divisors (53943013853).

255520330435 is an equidigital number, since it uses as much as digits as its factorization.

255520330435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4301550 (or 4301441 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 37.

Adding to 255520330435 its reverse (534033025552), we get a palindrome (789553355987).

The spelling of 255520330435 in words is "two hundred fifty-five billion, five hundred twenty million, three hundred thirty thousand, four hundred thirty-five".