5545200640 has 396 divisors, whose sum is σ = 16684163568. Its totient is φ = 1759887360.

The previous prime is 5545200613. The next prime is 5545200643. The reversal of 5545200640 is 460025455.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (5545200643) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 178877425 + ... + 178877455.

Almost surely, 2^5545200640 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 5545200640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8342081784).

5545200640 is an abundant number, since it is smaller than the sum of its proper divisors (11138962928).

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

5545200640 is a wasteful number, since it uses less digits than its factorization.

5545200640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 5545200640 is about 74466.1039668385. The cubic root of 5545200640 is about 1769.9965569639.

The spelling of 5545200640 in words is "five billion, five hundred forty-five million, two hundred thousand, six hundred forty".