5445953280 has 432 divisors, whose sum is σ = 20088432000. Its totient is φ = 1358290944.

The previous prime is 5445953273. The next prime is 5445953291. The reversal of 5445953280 is 823595445.

5445953280 is a `hidden beast` number, since 54 + 4 + 595 + 3 + 2 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30424231 + ... + 30424409.

It is an arithmetic number, because the mean of its divisors is an integer number (46501000).

Almost surely, 2^5445953280 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 5445953280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10044216000).

5445953280 is an abundant number, since it is smaller than the sum of its proper divisors (14642478720).

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

5445953280 is a wasteful number, since it uses less digits than its factorization.

5445953280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364 (or 347 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The square root of 5445953280 is about 73796.7023653496. The cubic root of 5445953280 is about 1759.3731927730.

The spelling of 5445953280 in words is "five billion, four hundred forty-five million, nine hundred fifty-three thousand, two hundred eighty".