420426026426 has 16 divisors (see below), whose sum is σ = 720765338496. Its totient is φ = 180173830896.

The previous prime is 420426026417. The next prime is 420426026437. The reversal of 420426026426 is 624620624024.

It is a self number, because there is not a number n which added to its sum of digits gives 420426026426.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 426461 + ... + 1011296.

It is an arithmetic number, because the mean of its divisors is an integer number (45047833656).

Almost surely, 2^420426026426 is an apocalyptic number.

420426026426 is a deficient number, since it is larger than the sum of its proper divisors (300339312070).

420426026426 is a wasteful number, since it uses less digits than its factorization.

420426026426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458653.

The product of its (nonzero) digits is 221184, while the sum is 38.

The spelling of 420426026426 in words is "four hundred twenty billion, four hundred twenty-six million, twenty-six thousand, four hundred twenty-six".