5721122880 has 448 divisors, whose sum is σ = 23319394560. Its totient is φ = 1304985600.

The previous prime is 5721122873. The next prime is 5721122887. The reversal of 5721122880 is 882211275.

5721122880 is a `hidden beast` number, since 572 + 1 + 1 + 2 + 2 + 8 + 80 = 666.

It is an interprime number because it is at equal distance from previous prime (5721122873) and next prime (5721122887).

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

It is not an unprimeable number, because it can be changed into a prime (5721122887) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1613910 + ... + 1617450.

It is an arithmetic number, because the mean of its divisors is an integer number (52052220).

Almost surely, 2^5721122880 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 5721122880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11659697280).

5721122880 is an abundant number, since it is smaller than the sum of its proper divisors (17598271680).

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

5721122880 is a wasteful number, since it uses less digits than its factorization.

5721122880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3595 (or 3579 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The square root of 5721122880 is about 75638.1046827589. The cubic root of 5721122880 is about 1788.5198254341.

The spelling of 5721122880 in words is "five billion, seven hundred twenty-one million, one hundred twenty-two thousand, eight hundred eighty".