4552208640 has 576 divisors, whose sum is σ = 19088670720. Its totient is φ = 1005281280.

The previous prime is 4552208597. The next prime is 4552208653. The reversal of 4552208640 is 468022554.

It is a happy number.

4552208640 is a `hidden beast` number, since 4 + 5 + 5 + 2 + 2 + 0 + 8 + 640 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

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

It is a junction number, because it is equal to n+sod(n) for n = 4552208595 and 4552208604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7499217 + ... + 7499823.

Almost surely, 2^4552208640 is an apocalyptic number.

4552208640 is a gapful number since it is divisible by the number (40) 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 4552208640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9544335360).

4552208640 is an abundant number, since it is smaller than the sum of its proper divisors (14536462080).

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

4552208640 is a wasteful number, since it uses less digits than its factorization.

4552208640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675 (or 655 counting only the distinct ones).

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

The square root of 4552208640 is about 67470.0573588018. The cubic root of 4552208640 is about 1657.3238730975.

The spelling of 4552208640 in words is "four billion, five hundred fifty-two million, two hundred eight thousand, six hundred forty".