1426973328 has 120 divisors (see below), whose sum is σ = 4502316000. Its totient is φ = 432400320.

The previous prime is 1426973323. The next prime is 1426973329. The reversal of 1426973328 is 8233796241.

It is not an unprimeable number, because it can be changed into a prime (1426973323) 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 23 ways as a sum of consecutive naturals, for example, 38623 + ... + 65921.

It is an arithmetic number, because the mean of its divisors is an integer number (37519300).

Almost surely, 2^1426973328 is an apocalyptic number.

1426973328 is a gapful number since it is divisible by the number (18) 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 1426973328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2251158000).

1426973328 is an abundant number, since it is smaller than the sum of its proper divisors (3075342672).

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

1426973328 is a wasteful number, since it uses less digits than its factorization.

1426973328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27338 (or 27315 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 1426973328 is about 37775.3005017829. The cubic root of 1426973328 is about 1125.8277570225.

The spelling of 1426973328 in words is "one billion, four hundred twenty-six million, nine hundred seventy-three thousand, three hundred twenty-eight".