1426043520 has 384 divisors, whose sum is σ = 5464817280. Its totient is φ = 339763200.

The previous prime is 1426043491. The next prime is 1426043527. The reversal of 1426043520 is 253406241.

1426043520 is a `hidden beast` number, since 1 + 4 + 2 + 604 + 3 + 52 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is not an unprimeable number, because it can be changed into a prime (1426043527) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4498402 + ... + 4498718.

It is an arithmetic number, because the mean of its divisors is an integer number (14231295).

Almost surely, 2^1426043520 is an apocalyptic number.

1426043520 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 1426043520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2732408640).

1426043520 is an abundant number, since it is smaller than the sum of its proper divisors (4038773760).

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

1426043520 is a wasteful number, since it uses less digits than its factorization.

1426043520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424 (or 409 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1426043520 is about 37762.9914069317. The cubic root of 1426043520 is about 1125.5831761601.

Adding to 1426043520 its reverse (253406241), we get a palindrome (1679449761).

The spelling of 1426043520 in words is "one billion, four hundred twenty-six million, forty-three thousand, five hundred twenty".