426820662280 has 32 divisors (see below), whose sum is σ = 960426901440. Its totient is φ = 170713969600.

The previous prime is 426820662271. The next prime is 426820662287. The reversal of 426820662280 is 82266028624.

It is a self number, because there is not a number n which added to its sum of digits gives 426820662280.

It is not an unprimeable number, because it can be changed into a prime (426820662287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43605 + ... + 924955.

It is an arithmetic number, because the mean of its divisors is an integer number (30013340670).

Almost surely, 2^426820662280 is an apocalyptic number.

426820662280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

426820662280 is an abundant number, since it is smaller than the sum of its proper divisors (533606239160).

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

426820662280 is a wasteful number, since it uses less digits than its factorization.

426820662280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893469 (or 893465 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 46.

The spelling of 426820662280 in words is "four hundred twenty-six billion, eight hundred twenty million, six hundred sixty-two thousand, two hundred eighty".