1426430720 has 144 divisors (see below), whose sum is σ = 4014595872. Its totient is φ = 478740480.

The previous prime is 1426430693. The next prime is 1426430809. The reversal of 1426430720 is 270346241.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 179144 + ... + 186936.

It is an arithmetic number, because the mean of its divisors is an integer number (27879138).

Almost surely, 2^1426430720 is an apocalyptic number.

1426430720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1426430720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2007297936).

1426430720 is an abundant number, since it is smaller than the sum of its proper divisors (2588165152).

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

1426430720 is a wasteful number, since it uses less digits than its factorization.

1426430720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7838 (or 7824 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 1426430720 is about 37768.1177714749. The cubic root of 1426430720 is about 1125.6850398972.

Adding to 1426430720 its reverse (270346241), we get a palindrome (1696776961).

The spelling of 1426430720 in words is "one billion, four hundred twenty-six million, four hundred thirty thousand, seven hundred twenty".