539473020 has 48 divisors (see below), whose sum is σ = 1535297568. Its totient is φ = 141500160.

The previous prime is 539473009. The next prime is 539473037. The reversal of 539473020 is 20374935.

It is a happy number.

It is a super-2 number, since 2×539473020² = 582062278615840800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70039 + ... + 77358.

It is an arithmetic number, because the mean of its divisors is an integer number (31985366).

Almost surely, 2^539473020 is an apocalyptic number.

It is an amenable number.

539473020 is an abundant number, since it is smaller than the sum of its proper divisors (995824548).

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

539473020 is a wasteful number, since it uses less digits than its factorization.

539473020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147470 (or 147468 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 539473020 is about 23226.5585052973. The cubic root of 539473020 is about 814.0603017625.

The spelling of 539473020 in words is "five hundred thirty-nine million, four hundred seventy-three thousand, twenty".