6217746522240 has 256 divisors, whose sum is σ = 22758738739200. Its totient is φ = 1427999109120.

The previous prime is 6217746522227. The next prime is 6217746522257. The reversal of 6217746522240 is 422256477126.

It is a super-2 number, since 2×6217746522240² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 6217746522240.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7346112 + ... + 8148671.

It is an arithmetic number, because the mean of its divisors is an integer number (88901323200).

Almost surely, 2^{6217746522240} is an apocalyptic number.

6217746522240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6217746522240 is an abundant number, since it is smaller than the sum of its proper divisors (16540992216960).

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

6217746522240 is a wasteful number, since it uses less digits than its factorization.

6217746522240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15494835 (or 15494823 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 48.

The spelling of 6217746522240 in words is "six trillion, two hundred seventeen billion, seven hundred forty-six million, five hundred twenty-two thousand, two hundred forty".