2655398520 has 48 divisors (see below), whose sum is σ = 8630046360. Its totient is φ = 708106176.

The previous prime is 2655398519. The next prime is 2655398693. The reversal of 2655398520 is 258935562.

2655398520 is a `hidden beast` number, since 2 + 6 + 553 + 98 + 5 + 2 + 0 = 666.

It is a super-2 number, since 2×2655398520² = 14102282600036380800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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, 3687694 + ... + 3688413.

Almost surely, 2^2655398520 is an apocalyptic number.

2655398520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2655398520 is an abundant number, since it is smaller than the sum of its proper divisors (5974647840).

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

2655398520 is a wasteful number, since it uses less digits than its factorization.

2655398520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7376124 (or 7376117 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The square root of 2655398520 is about 51530.5590887582. The cubic root of 2655398520 is about 1384.7665669395.

The spelling of 2655398520 in words is "two billion, six hundred fifty-five million, three hundred ninety-eight thousand, five hundred twenty".