426604491220 has 48 divisors (see below), whose sum is σ = 908276201280. Its totient is φ = 168279296256.

The previous prime is 426604491167. The next prime is 426604491233. The reversal of 426604491220 is 22194406624.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12192511 + ... + 12227449.

It is an arithmetic number, because the mean of its divisors is an integer number (18922420860).

Almost surely, 2^426604491220 is an apocalyptic number.

It is an amenable number.

426604491220 is an abundant number, since it is smaller than the sum of its proper divisors (481671710060).

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

426604491220 is a wasteful number, since it uses less digits than its factorization.

426604491220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43384 (or 43382 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 40.

Adding to 426604491220 its reverse (22194406624), we get a palindrome (448798897844).

The spelling of 426604491220 in words is "four hundred twenty-six billion, six hundred four million, four hundred ninety-one thousand, two hundred twenty".