5211649080 has 384 divisors, whose sum is σ = 20109600000. Its totient is φ = 1196363520.

The previous prime is 5211649049. The next prime is 5211649127. The reversal of 5211649080 is 809461125.

5211649080 is a `hidden beast` number, since 5 + 2 + 1 + 1 + 649 + 0 + 8 + 0 = 666.

It is a super-2 number, since 2×5211649080² = 54322572266129692800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2481871 + ... + 2483969.

It is an arithmetic number, because the mean of its divisors is an integer number (52368750).

Almost surely, 2^5211649080 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 5211649080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10054800000).

5211649080 is an abundant number, since it is smaller than the sum of its proper divisors (14897950920).

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

5211649080 is a wasteful number, since it uses less digits than its factorization.

5211649080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2160 (or 2139 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 5211649080 is about 72191.7521604788. The cubic root of 5211649080 is about 1733.7709494988.

The spelling of 5211649080 in words is "five billion, two hundred eleven million, six hundred forty-nine thousand, eighty".