1063426320 has 240 divisors, whose sum is σ = 4041116352. Its totient is φ = 257748480.

The previous prime is 1063426319. The next prime is 1063426327. The reversal of 1063426320 is 236243601.

1063426320 is a `hidden beast` number, since 1 + 0 + 634 + 2 + 6 + 3 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×1063426320² = 2261751076137484800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1063426327) 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, 211354 + ... + 216326.

Almost surely, 2^1063426320 is an apocalyptic number.

1063426320 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 1063426320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2020558176).

1063426320 is an abundant number, since it is smaller than the sum of its proper divisors (2977690032).

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

1063426320 is a wasteful number, since it uses less digits than its factorization.

1063426320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5012 (or 4994 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 1063426320 is about 32610.2180305499. The cubic root of 1063426320 is about 1020.7102319901.

Adding to 1063426320 its reverse (236243601), we get a palindrome (1299669921).

The spelling of 1063426320 in words is "one billion, sixty-three million, four hundred twenty-six thousand, three hundred twenty".