6894894351240 has 384 divisors, whose sum is σ = 26009963965440. Its totient is φ = 1551473146368.

The previous prime is 6894894351193. The next prime is 6894894351259. The reversal of 6894894351240 is 421534984986.

6894894351240 is a `hidden beast` number, since 6 + 89 + 4 + 89 + 435 + 1 + 2 + 40 = 666.

It is a super-2 number, since 2×6894894351240² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 59134039 + ... + 59250521.

It is an arithmetic number, because the mean of its divisors is an integer number (67734281160).

Almost surely, 2^{6894894351240} is an apocalyptic number.

6894894351240 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 6894894351240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13004981982720).

6894894351240 is an abundant number, since it is smaller than the sum of its proper divisors (19115069614200).

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

6894894351240 is a wasteful number, since it uses less digits than its factorization.

6894894351240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116873 (or 116866 counting only the distinct ones).

The product of its (nonzero) digits is 59719680, while the sum is 63.

The spelling of 6894894351240 in words is "six trillion, eight hundred ninety-four billion, eight hundred ninety-four million, three hundred fifty-one thousand, two hundred forty".