5645463600 has 120 divisors (see below), whose sum is σ = 20667804160. Its totient is φ = 1290389760.

The previous prime is 5645463517. The next prime is 5645463641. The reversal of 5645463600 is 63645465.

It is a tau number, because it is divible by the number of its divisors (120).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 327640 + ... + 344439.

Almost surely, 2^5645463600 is an apocalyptic number.

5645463600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5645463600 is an abundant number, since it is smaller than the sum of its proper divisors (15022340560).

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

5645463600 is a wasteful number, since it uses less digits than its factorization.

5645463600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672107 (or 672096 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 39.

The square root of 5645463600 is about 75136.3001484635. The cubic root of 5645463600 is about 1780.6006894082.

The spelling of 5645463600 in words is "five billion, six hundred forty-five million, four hundred sixty-three thousand, six hundred".