6397869240000 has 3360 divisors, whose sum is σ = 29460919488000. Its totient is φ = 1371686400000.

The previous prime is 6397869239989. The next prime is 6397869240031. The reversal of 6397869240000 is 429687936.

It is a happy number.

6397869240000 is a `hidden beast` number, since 6 + 397 + 8 + 6 + 9 + 240 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (3360).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 63345239950 + ... + 63345240050.

It is an arithmetic number, because the mean of its divisors is an integer number (8768130800).

Almost surely, 2^{6397869240000} is an apocalyptic number.

6397869240000 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 6397869240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14730459744000).

6397869240000 is an abundant number, since it is smaller than the sum of its proper divisors (23063050248000).

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

6397869240000 is an equidigital number, since it uses as much as digits as its factorization.

6397869240000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The spelling of 6397869240000 in words is "six trillion, three hundred ninety-seven billion, eight hundred sixty-nine million, two hundred forty thousand".