539538480 has 240 divisors, whose sum is σ = 1986435360. Its totient is φ = 130424832.

The previous prime is 539538449. The next prime is 539538487. The reversal of 539538480 is 84835935.

It is a happy number.

539538480 is a `hidden beast` number, since 5 + 39 + 538 + 4 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×539538480² = 582203542801420800, which contains 22 as substring.

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 (539538487) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 551752 + ... + 552728.

It is an arithmetic number, because the mean of its divisors is an integer number (8276814).

Almost surely, 2^539538480 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 539538480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (993217680).

539538480 is an abundant number, since it is smaller than the sum of its proper divisors (1446896880).

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

539538480 is a wasteful number, since it uses less digits than its factorization.

539538480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068 (or 1059 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The square root of 539538480 is about 23227.9676252573. The cubic root of 539538480 is about 814.0932266294.

The spelling of 539538480 in words is "five hundred thirty-nine million, five hundred thirty-eight thousand, four hundred eighty".