6215373742720 has 128 divisors (see below), whose sum is σ = 15736701461760. Its totient is φ = 2339305046016.

The previous prime is 6215373742687. The next prime is 6215373742733. The reversal of 6215373742720 is 272473735126.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43524877 + ... + 43667443.

It is an arithmetic number, because the mean of its divisors is an integer number (122942980170).

Almost surely, 2^{6215373742720} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6215373742720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7868350730880).

6215373742720 is an abundant number, since it is smaller than the sum of its proper divisors (9521327719040).

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

6215373742720 is a wasteful number, since it uses less digits than its factorization.

6215373742720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146610 (or 146598 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 49.

The spelling of 6215373742720 in words is "six trillion, two hundred fifteen billion, three hundred seventy-three million, seven hundred forty-two thousand, seven hundred twenty".