6605746226040 has 256 divisors, whose sum is σ = 21676120058880. Its totient is φ = 1600617553920.

The previous prime is 6605746226003. The next prime is 6605746226063. The reversal of 6605746226040 is 406226475066.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 71172304 + ... + 71265056.

It is an arithmetic number, because the mean of its divisors is an integer number (84672343980).

Almost surely, 2^{6605746226040} is an apocalyptic number.

6605746226040 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 6605746226040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10838060029440).

6605746226040 is an abundant number, since it is smaller than the sum of its proper divisors (15070373832840).

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

6605746226040 is a wasteful number, since it uses less digits than its factorization.

6605746226040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93494 (or 93490 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 48.

The spelling of 6605746226040 in words is "six trillion, six hundred five billion, seven hundred forty-six million, two hundred twenty-six thousand, forty".