5422878720 has 520 divisors, whose sum is σ = 22264317504. Its totient is φ = 1236860928.

The previous prime is 5422878719. The next prime is 5422878731. The reversal of 5422878720 is 278782245.

5422878720 is a `hidden beast` number, since 542 + 2 + 8 + 7 + 87 + 20 = 666.

It is a super-2 number, since 2×5422878720² = 58815227223657676800, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 11611927 + ... + 11612393.

Almost surely, 2^5422878720 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 5422878720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11132158752).

5422878720 is an abundant number, since it is smaller than the sum of its proper divisors (16841438784).

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

5422878720 is an equidigital number, since it uses as much as digits as its factorization.

5422878720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515 (or 484 counting only the distinct ones).

The product of its (nonzero) digits is 501760, while the sum is 45.

The square root of 5422878720 is about 73640.1977183657. The cubic root of 5422878720 is about 1756.8848476444.

The spelling of 5422878720 in words is "five billion, four hundred twenty-two million, eight hundred seventy-eight thousand, seven hundred twenty".