1426888320 has 256 divisors, whose sum is σ = 5344375680. Its totient is φ = 319242240.

The previous prime is 1426888303. The next prime is 1426888321. The reversal of 1426888320 is 238886241.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1426888321) 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, 271962 + ... + 277158.

Almost surely, 2^1426888320 is an apocalyptic number.

1426888320 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 1426888320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2672187840).

1426888320 is an abundant number, since it is smaller than the sum of its proper divisors (3917487360).

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

1426888320 is a wasteful number, since it uses less digits than its factorization.

1426888320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5243 (or 5231 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 42.

The square root of 1426888320 is about 37774.1753053591. The cubic root of 1426888320 is about 1125.8054005508.

The spelling of 1426888320 in words is "one billion, four hundred twenty-six million, eight hundred eighty-eight thousand, three hundred twenty".