5309402780 has 24 divisors (see below), whose sum is σ = 12163359600. Its totient is φ = 1930691840.

The previous prime is 5309402773. The next prime is 5309402831. The reversal of 5309402780 is 872049035.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12066605 + ... + 12067044.

It is an arithmetic number, because the mean of its divisors is an integer number (506806650).

Almost surely, 2^5309402780 is an apocalyptic number.

It is an amenable number.

5309402780 is an abundant number, since it is smaller than the sum of its proper divisors (6853956820).

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

5309402780 is a wasteful number, since it uses less digits than its factorization.

5309402780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24133669 (or 24133667 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 5309402780 is about 72865.6488340013. The cubic root of 5309402780 is about 1744.5438533181.

The spelling of 5309402780 in words is "five billion, three hundred nine million, four hundred two thousand, seven hundred eighty".