5649209280 has 1008 divisors, whose sum is σ = 24347363040. Its totient is φ = 1192181760.

The previous prime is 5649209249. The next prime is 5649209311. The reversal of 5649209280 is 829029465.

5649209280 is a `hidden beast` number, since 564 + 9 + 2 + 0 + 9 + 2 + 80 = 666.

It is an interprime number because it is at equal distance from previous prime (5649209249) and next prime (5649209311).

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 131376939 + ... + 131376981.

It is an arithmetic number, because the mean of its divisors is an integer number (24154130).

Almost surely, 2^5649209280 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 5649209280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12173681520).

5649209280 is an abundant number, since it is smaller than the sum of its proper divisors (18698153760).

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

5649209280 is a wasteful number, since it uses less digits than its factorization.

5649209280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 5649209280 is about 75161.2219166240. The cubic root of 5649209280 is about 1780.9944029191.

The spelling of 5649209280 in words is "five billion, six hundred forty-nine million, two hundred nine thousand, two hundred eighty".