548065287690 has 128 divisors (see below), whose sum is σ = 1402216220160. Its totient is φ = 136618180608.

The previous prime is 548065287689. The next prime is 548065287697. The reversal of 548065287690 is 96782560845.

It is a super-2 number, since 2×548065287690² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (548065287697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 164631946 + ... + 164635274.

It is an arithmetic number, because the mean of its divisors is an integer number (10954814220).

Almost surely, 2^548065287690 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 548065287690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (701108110080).

548065287690 is an abundant number, since it is smaller than the sum of its proper divisors (854150932470).

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

548065287690 is a wasteful number, since it uses less digits than its factorization.

548065287690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5456.

The product of its (nonzero) digits is 29030400, while the sum is 60.

The spelling of 548065287690 in words is "five hundred forty-eight billion, sixty-five million, two hundred eighty-seven thousand, six hundred ninety".