1063653040 has 20 divisors (see below), whose sum is σ = 2472993504. Its totient is φ = 425461184.

The previous prime is 1063653029. The next prime is 1063653043. The reversal of 1063653040 is 403563601.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×1063653040² = 2262715579002483200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1063653043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6647752 + ... + 6647911.

Almost surely, 2^1063653040 is an apocalyptic number.

1063653040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1063653040 is an abundant number, since it is smaller than the sum of its proper divisors (1409340464).

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

1063653040 is a wasteful number, since it uses less digits than its factorization.

1063653040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13295676 (or 13295670 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 1063653040 is about 32613.6940563316. The cubic root of 1063653040 is about 1020.7827645125.

The spelling of 1063653040 in words is "one billion, sixty-three million, six hundred fifty-three thousand, forty".