255520520034 has 32 divisors (see below), whose sum is σ = 550497623424. Its totient is φ = 78600879360.

The previous prime is 255520520009. The next prime is 255520520131. The reversal of 255520520034 is 430025025552.

It is a super-2 number, since 2×255520520034² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 255520519977 and 255520520004.

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, 135982 + ... + 727689.

It is an arithmetic number, because the mean of its divisors is an integer number (17203050732).

Almost surely, 2^255520520034 is an apocalyptic number.

255520520034 is an abundant number, since it is smaller than the sum of its proper divisors (294977103390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255520520034 is a wasteful number, since it uses less digits than its factorization.

255520520034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867482.

The product of its (nonzero) digits is 60000, while the sum is 33.

Adding to 255520520034 its reverse (430025025552), we get a palindrome (685545545586).

The spelling of 255520520034 in words is "two hundred fifty-five billion, five hundred twenty million, five hundred twenty thousand, thirty-four".