5543632640 has 324 divisors, whose sum is σ = 16758277704. Its totient is φ = 1751113728.

The previous prime is 5543632609. The next prime is 5543632651. The reversal of 5543632640 is 462363455.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 5543632594 and 5543632603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10599419 + ... + 10599941.

Almost surely, 2^5543632640 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 5543632640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8379138852).

5543632640 is an abundant number, since it is smaller than the sum of its proper divisors (11214645064).

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

5543632640 is a wasteful number, since it uses less digits than its factorization.

5543632640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584 (or 550 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 38.

The square root of 5543632640 is about 74455.5749423776. The cubic root of 5543632640 is about 1769.8297090045.

The spelling of 5543632640 in words is "five billion, five hundred forty-three million, six hundred thirty-two thousand, six hundred forty".