5420786280 has 512 divisors, whose sum is σ = 21180579840. Its totient is φ = 1078640640.

The previous prime is 5420786221. The next prime is 5420786281. The reversal of 5420786280 is 826870245.

It is a happy number.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (5420786281) by changing a digit.

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 127 ways as a sum of consecutive naturals, for example, 28380985 + ... + 28381175.

It is an arithmetic number, because the mean of its divisors is an integer number (41368320).

Almost surely, 2^5420786280 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 5420786280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10590289920).

5420786280 is an abundant number, since it is smaller than the sum of its proper divisors (15759793560).

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

5420786280 is a wasteful number, since it uses less digits than its factorization.

5420786280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361 (or 357 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 5420786280 is about 73625.9891614367. The cubic root of 5420786280 is about 1756.6588514996.

The spelling of 5420786280 in words is "five billion, four hundred twenty million, seven hundred eighty-six thousand, two hundred eighty".