426783156 has 12 divisors (see below), whose sum is σ = 995827392. Its totient is φ = 142261048.

The previous prime is 426783151. The next prime is 426783163. The reversal of 426783156 is 651387624.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426783151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17782620 + ... + 17782643.

It is an arithmetic number, because the mean of its divisors is an integer number (82985616).

Almost surely, 2^426783156 is an apocalyptic number.

It is an amenable number.

426783156 is an abundant number, since it is smaller than the sum of its proper divisors (569044236).

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

426783156 is a wasteful number, since it uses less digits than its factorization.

426783156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35565270 (or 35565268 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 426783156 is about 20658.7307451353. The cubic root of 426783156 is about 752.8973297829.

The spelling of 426783156 in words is "four hundred twenty-six million, seven hundred eighty-three thousand, one hundred fifty-six".