6140321280 has 240 divisors, whose sum is σ = 21954201984. Its totient is φ = 1584414720.

The previous prime is 6140321269. The next prime is 6140321303. The reversal of 6140321280 is 821230416.

6140321280 is a `hidden beast` number, since 61 + 4 + 0 + 321 + 280 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 709942 + ... + 718538.

Almost surely, 2^6140321280 is an apocalyptic number.

6140321280 is a gapful number since it is divisible by the number (60) 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 6140321280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10977100992).

6140321280 is an abundant number, since it is smaller than the sum of its proper divisors (15813880704).

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

6140321280 is a wasteful number, since it uses less digits than its factorization.

6140321280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8657 (or 8638 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 6140321280 is about 78360.2021436903. The cubic root of 6140321280 is about 1831.1771696895.

Adding to 6140321280 its reverse (821230416), we get a palindrome (6961551696).

The spelling of 6140321280 in words is "six billion, one hundred forty million, three hundred twenty-one thousand, two hundred eighty".