6742342020540 has 48 divisors (see below), whose sum is σ = 21575494467072. Its totient is φ = 1541106747456.

The previous prime is 6742342020539. The next prime is 6742342020553. The reversal of 6742342020540 is 450202432476.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8026597224 + ... + 8026598063.

It is an arithmetic number, because the mean of its divisors is an integer number (449489468064).

Almost surely, 2^{6742342020540} is an apocalyptic number.

6742342020540 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6742342020540 is an abundant number, since it is smaller than the sum of its proper divisors (14833152446532).

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

6742342020540 is a wasteful number, since it uses less digits than its factorization.

6742342020540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16053195306 (or 16053195304 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 39.

The spelling of 6742342020540 in words is "six trillion, seven hundred forty-two billion, three hundred forty-two million, twenty thousand, five hundred forty".