655018441 has 16 divisors (see below), whose sum is σ = 835642368. Its totient is φ = 498531600.

The previous prime is 655018439. The next prime is 655018451. The reversal of 655018441 is 144810556.

It is not a de Polignac number, because 655018441 - 2¹ = 655018439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 655018397 and 655018406.

It is not an unprimeable number, because it can be changed into a prime (655018451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95605 + ... + 102226.

It is an arithmetic number, because the mean of its divisors is an integer number (52227648).

Almost surely, 2^655018441 is an apocalyptic number.

It is an amenable number.

655018441 is a deficient number, since it is larger than the sum of its proper divisors (180623927).

655018441 is a wasteful number, since it uses less digits than its factorization.

655018441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197892.

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 655018441 is about 25593.3280563509. The cubic root of 655018441 is about 868.4627104092.

Adding to 655018441 its reverse (144810556), we get a palindrome (799828997).

The spelling of 655018441 in words is "six hundred fifty-five million, eighteen thousand, four hundred forty-one".