1063210640 has 40 divisors (see below), whose sum is σ = 2476415160. Its totient is φ = 424518656.

The previous prime is 1063210639. The next prime is 1063210667. The reversal of 1063210640 is 460123601.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 96746896 + 966463744 = 9836^2 + 31088^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1063210640² = 2260833730018419200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33842 + ... + 57198.

It is an arithmetic number, because the mean of its divisors is an integer number (61910379).

Almost surely, 2^1063210640 is an apocalyptic number.

1063210640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1063210640 is an abundant number, since it is smaller than the sum of its proper divisors (1413204520).

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

1063210640 is a wasteful number, since it uses less digits than its factorization.

1063210640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23939 (or 23933 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1063210640 is about 32606.9109239130. The cubic root of 1063210640 is about 1020.6412218282.

The spelling of 1063210640 in words is "one billion, sixty-three million, two hundred ten thousand, six hundred forty".