6532001280 has 480 divisors, whose sum is σ = 26174985408. Its totient is φ = 1474560000.

The previous prime is 6532001251. The next prime is 6532001291. The reversal of 6532001280 is 821002356.

6532001280 is a `hidden beast` number, since 6 + 532 + 0 + 0 + 128 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16289080 + ... + 16289480.

Almost surely, 2^6532001280 is an apocalyptic number.

6532001280 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 6532001280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13087492704).

6532001280 is an abundant number, since it is smaller than the sum of its proper divisors (19642984128).

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

6532001280 is a wasteful number, since it uses less digits than its factorization.

6532001280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538 (or 519 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 6532001280 is about 80820.7973234612. The cubic root of 6532001280 is about 1869.3132617075.

The spelling of 6532001280 in words is "six billion, five hundred thirty-two million, one thousand, two hundred eighty".