655314030 has 128 divisors (see below), whose sum is σ = 2051343360. Its totient is φ = 145722240.

The previous prime is 655314017. The next prime is 655314041. The reversal of 655314030 is 30413556.

655314030 is a `hidden beast` number, since 65 + 531 + 40 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 655313985 and 655314003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 65245 + ... + 74615.

It is an arithmetic number, because the mean of its divisors is an integer number (16026120).

Almost surely, 2^655314030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 655314030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1025671680).

655314030 is an abundant number, since it is smaller than the sum of its proper divisors (1396029330).

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

655314030 is a wasteful number, since it uses less digits than its factorization.

655314030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9431 (or 9425 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 655314030 is about 25599.1021326921. The cubic root of 655314030 is about 868.5933273013.

Adding to 655314030 its reverse (30413556), we get a palindrome (685727586).

The spelling of 655314030 in words is "six hundred fifty-five million, three hundred fourteen thousand, thirty".