255541440246 has 32 divisors (see below), whose sum is σ = 550507235328. Its totient is φ = 78848689920.

The previous prime is 255541440199. The next prime is 255541440263. The reversal of 255541440246 is 642044145552.

It is a junction number, because it is equal to n+sod(n) for n = 255541440198 and 255541440207.

It is a congruent number.

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, 29862651 + ... + 29871206.

It is an arithmetic number, because the mean of its divisors is an integer number (17203351104).

Almost surely, 2^255541440246 is an apocalyptic number.

255541440246 is an abundant number, since it is smaller than the sum of its proper divisors (294965795082).

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

255541440246 is a wasteful number, since it uses less digits than its factorization.

255541440246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59733916.

The product of its (nonzero) digits is 768000, while the sum is 42.

Adding to 255541440246 its reverse (642044145552), we get a palindrome (897585585798).

The spelling of 255541440246 in words is "two hundred fifty-five billion, five hundred forty-one million, four hundred forty thousand, two hundred forty-six".