6641552010240 has 3168 divisors, whose sum is σ = 30194807685120. Its totient is φ = 1339058552832.

The previous prime is 6641552010229. The next prime is 6641552010329. The reversal of 6641552010240 is 420102551466.

6641552010240 is a `hidden beast` number, since 6 + 64 + 1 + 552 + 0 + 1 + 0 + 2 + 40 = 666.

It is a super-2 number, since 2×6641552010240² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 6641552010195 and 6641552010204.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 52295685057 + ... + 52295685183.

Almost surely, 2^{6641552010240} is an apocalyptic number.

6641552010240 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 6641552010240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15097403842560).

6641552010240 is an abundant number, since it is smaller than the sum of its proper divisors (23553255674880).

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

6641552010240 is a wasteful number, since it uses less digits than its factorization.

6641552010240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 6641552010240 in words is "six trillion, six hundred forty-one billion, five hundred fifty-two million, ten thousand, two hundred forty".