426789012 has 96 divisors (see below), whose sum is σ = 1185069312. Its totient is φ = 118204416.

The previous prime is 426788993. The next prime is 426789017. The reversal of 426789012 is 210987624.

It is a super-2 number, since 2×426789012² = 364297721527872288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426789017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57498 + ... + 64494.

It is an arithmetic number, because the mean of its divisors is an integer number (12344472).

Almost surely, 2^426789012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 426789012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (592534656).

426789012 is an abundant number, since it is smaller than the sum of its proper divisors (758280300).

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

426789012 is a wasteful number, since it uses less digits than its factorization.

426789012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7057 (or 7055 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 426789012 is about 20658.8724764930. The cubic root of 426789012 is about 752.9007733322.

The spelling of 426789012 in words is "four hundred twenty-six million, seven hundred eighty-nine thousand, twelve".