6485933903040 has 168 divisors, whose sum is σ = 22331431494528. Its totient is φ = 1727836323840.

The previous prime is 6485933903023. The next prime is 6485933903069. The reversal of 6485933903040 is 403093395846.

6485933903040 is a `hidden beast` number, since 6 + 4 + 8 + 593 + 3 + 9 + 0 + 3 + 0 + 40 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1717824 + ... + 3990336.

Almost surely, 2^{6485933903040} is an apocalyptic number.

6485933903040 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 6485933903040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11165715747264).

6485933903040 is an abundant number, since it is smaller than the sum of its proper divisors (15845497591488).

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

6485933903040 is a wasteful number, since it uses less digits than its factorization.

6485933903040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2273527 (or 2273514 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 54.

The spelling of 6485933903040 in words is "six trillion, four hundred eighty-five billion, nine hundred thirty-three million, nine hundred three thousand, forty".