1063989360 has 480 divisors, whose sum is σ = 4419717120. Its totient is φ = 223948800.

The previous prime is 1063989349. The next prime is 1063989371. The reversal of 1063989360 is 639893601.

1063989360 is a `hidden beast` number, since 1 + 0 + 639 + 8 + 9 + 3 + 6 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (1063989349) and next prime (1063989371).

It is a super-2 number, since 2×1063989360² = 2264146716386419200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3926025 + ... + 3926295.

It is an arithmetic number, because the mean of its divisors is an integer number (9207744).

Almost surely, 2^1063989360 is an apocalyptic number.

1063989360 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 1063989360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2209858560).

1063989360 is an abundant number, since it is smaller than the sum of its proper divisors (3355727760).

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

1063989360 is a wasteful number, since it uses less digits than its factorization.

1063989360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357 (or 348 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 1063989360 is about 32618.8497651281. The cubic root of 1063989360 is about 1020.8903414098.

It can be divided in two parts, 10639 and 89360, that added together give a palindrome (99999).

The spelling of 1063989360 in words is "one billion, sixty-three million, nine hundred eighty-nine thousand, three hundred sixty".