539452620 has 72 divisors (see below), whose sum is σ = 1870106784. Its totient is φ = 123303168.

The previous prime is 539452597. The next prime is 539452631. The reversal of 539452620 is 26254935.

539452620 is a `hidden beast` number, since 5 + 394 + 5 + 262 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 212809 + ... + 215328.

Almost surely, 2^539452620 is an apocalyptic number.

It is an amenable number.

539452620 is an abundant number, since it is smaller than the sum of its proper divisors (1330654164).

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

539452620 is a wasteful number, since it uses less digits than its factorization.

539452620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428159 (or 428154 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 539452620 is about 23226.1193486988. The cubic root of 539452620 is about 814.0500404897.

It can be divided in two parts, 53945 and 2620, that added together give a palindrome (56565).

The spelling of 539452620 in words is "five hundred thirty-nine million, four hundred fifty-two thousand, six hundred twenty".