426302640816 has 40 divisors (see below), whose sum is σ = 1185995810160. Its totient is φ = 131170043136.

The previous prime is 426302640811. The next prime is 426302640817. The reversal of 426302640816 is 618046203624.

It is not an unprimeable number, because it can be changed into a prime (426302640811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341588031 + ... + 341589278.

It is an arithmetic number, because the mean of its divisors is an integer number (29649895254).

Almost surely, 2^426302640816 is an apocalyptic number.

It is an amenable number.

426302640816 is an abundant number, since it is smaller than the sum of its proper divisors (759693169344).

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

426302640816 is a wasteful number, since it uses less digits than its factorization.

426302640816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683177333 (or 683177327 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 42.

The spelling of 426302640816 in words is "four hundred twenty-six billion, three hundred two million, six hundred forty thousand, eight hundred sixteen".