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2655882240 = 210351121429
BaseRepresentation
bin1001111001001101…
…1000110000000000
320212002111210111220
42132103120300000
520414401212430
61115312435040
7122546424624
oct23623306000
96762453456
102655882240
1111431a3700
12621548a80
1333430a86b
141b2a2b184
1510826d110
hex9e4d8c00

2655882240 has 264 divisors, whose sum is σ = 9343654320. Its totient is φ = 643399680.

The previous prime is 2655882217. The next prime is 2655882241. The reversal of 2655882240 is 422885562.

It is a tau number, because it is divible by the number of its divisors (264).

It is a junction number, because it is equal to n+sod(n) for n = 2655882192 and 2655882201.

It is not an unprimeable number, because it can be changed into a prime (2655882241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1857846 + ... + 1859274.

It is an arithmetic number, because the mean of its divisors is an integer number (35392630).

Almost surely, 22655882240 is an apocalyptic number.

2655882240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2655882240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4671827160).

2655882240 is an abundant number, since it is smaller than the sum of its proper divisors (6687772080).

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

2655882240 is a wasteful number, since it uses less digits than its factorization.

2655882240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1479 (or 1450 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 42.

The square root of 2655882240 is about 51535.2524006626. The cubic root of 2655882240 is about 1384.8506470514.

The spelling of 2655882240 in words is "two billion, six hundred fifty-five million, eight hundred eighty-two thousand, two hundred forty".