5640929280 has 360 divisors, whose sum is σ = 22368589152. Its totient is φ = 1288175616.

The previous prime is 5640929269. The next prime is 5640929321. The reversal of 5640929280 is 829290465.

5640929280 is a `hidden beast` number, since 564 + 0 + 9 + 2 + 9 + 2 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (360).

It is a super-2 number, since 2×5640929280² = 63640166283922636800, which contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 5160414 + ... + 5161506.

Almost surely, 2^5640929280 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 5640929280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11184294576).

5640929280 is an abundant number, since it is smaller than the sum of its proper divisors (16727659872).

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

5640929280 is a wasteful number, since it uses less digits than its factorization.

5640929280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139 (or 1110 counting only the distinct ones).

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

The square root of 5640929280 is about 75106.1201234626. The cubic root of 5640929280 is about 1780.1238477982.

The spelling of 5640929280 in words is "five billion, six hundred forty million, nine hundred twenty-nine thousand, two hundred eighty".