539911980 has 168 divisors, whose sum is σ = 1790334000. Its totient is φ = 136328832.

The previous prime is 539911973. The next prime is 539911987. The reversal of 539911980 is 89119935.

It is an interprime number because it is at equal distance from previous prime (539911973) and next prime (539911987).

It is a super-3 number, since 3×539911980³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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

It is not an unprimeable number, because it can be changed into a prime (539911987) 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 55 ways as a sum of consecutive naturals, for example, 276046 + ... + 277994.

It is an arithmetic number, because the mean of its divisors is an integer number (10656750).

Almost surely, 2^539911980 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 539911980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (895167000).

539911980 is an abundant number, since it is smaller than the sum of its proper divisors (1250422020).

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

539911980 is a wasteful number, since it uses less digits than its factorization.

539911980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1995 (or 1978 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 45.

The square root of 539911980 is about 23236.0061112059. The cubic root of 539911980 is about 814.2810375671.

The spelling of 539911980 in words is "five hundred thirty-nine million, nine hundred eleven thousand, nine hundred eighty".