6341986978740 has 240 divisors, whose sum is σ = 22992675552000. Its totient is φ = 1433309188608.

The previous prime is 6341986978703. The next prime is 6341986978753. The reversal of 6341986978740 is 478796891436.

6341986978740 is a `hidden beast` number, since 6 + 3 + 419 + 8 + 6 + 97 + 87 + 40 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2132640 + ... + 4151159.

It is an arithmetic number, because the mean of its divisors is an integer number (95802814800).

Almost surely, 2^{6341986978740} is an apocalyptic number.

6341986978740 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6341986978740 is an abundant number, since it is smaller than the sum of its proper divisors (16650688573260).

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

6341986978740 is a wasteful number, since it uses less digits than its factorization.

6341986978740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6283916 (or 6283905 counting only the distinct ones).

The product of its (nonzero) digits is 438939648, while the sum is 72.

The spelling of 6341986978740 in words is "six trillion, three hundred forty-one billion, nine hundred eighty-six million, nine hundred seventy-eight thousand, seven hundred forty".