6426720276246 has 64 divisors (see below), whose sum is σ = 14310446784000. Its totient is φ = 2137916138400.

The previous prime is 6426720276239. The next prime is 6426720276253.

6426720276246 is a `hidden beast` number, since 6 + 4 + 2 + 6 + 7 + 2 + 0 + 2 + 7 + 624 + 6 = 666.

6426720276246 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (6426720276239) and next prime (6426720276253).

It is a super-2 number, since 2×6426720276246² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 6426720276192 and 6426720276201.

It is a congruent number.

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, 80749680 + ... + 80829228.

It is an arithmetic number, because the mean of its divisors is an integer number (223600731000).

Almost surely, 2^{6426720276246} is an apocalyptic number.

6426720276246 is an abundant number, since it is smaller than the sum of its proper divisors (7883726507754).

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

6426720276246 is a wasteful number, since it uses less digits than its factorization.

6426720276246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82562 (or 82556 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 54.

The spelling of 6426720276246 in words is "six trillion, four hundred twenty-six billion, seven hundred twenty million, two hundred seventy-six thousand, two hundred forty-six".