5645202480 has 360 divisors, whose sum is σ = 20584588752. Its totient is φ = 1385247744.

The previous prime is 5645202467. The next prime is 5645202481. The reversal of 5645202480 is 842025465.

It is a happy number.

5645202480 is a `hidden beast` number, since 5 + 645 + 2 + 0 + 2 + 4 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (360).

It is a super-2 number, since 2×5645202480² = 63736622080396300800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (5645202481) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 9616747 + ... + 9617333.

Almost surely, 2^5645202480 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5645202480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10292294376).

5645202480 is an abundant number, since it is smaller than the sum of its proper divisors (14939386272).

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

5645202480 is a wasteful number, since it uses less digits than its factorization.

5645202480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681 (or 653 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The square root of 5645202480 is about 75134.5624862486. The cubic root of 5645202480 is about 1780.5732362379.

The spelling of 5645202480 in words is "five billion, six hundred forty-five million, two hundred two thousand, four hundred eighty".