5208171264 has 72 divisors (see below), whose sum is σ = 15401499120. Its totient is φ = 1736054784.

The previous prime is 5208171253. The next prime is 5208171281. The reversal of 5208171264 is 4621718025.

5208171264 is a `hidden beast` number, since 520 + 8 + 1 + 7 + 126 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

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 7 ways as a sum of consecutive naturals, for example, 369837 + ... + 383660.

It is an arithmetic number, because the mean of its divisors is an integer number (213909710).

Almost surely, 2^5208171264 is an apocalyptic number.

5208171264 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

5208171264 is an abundant number, since it is smaller than the sum of its proper divisors (10193327856).

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

5208171264 is an equidigital number, since it uses as much as digits as its factorization.

5208171264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753522 (or 753502 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 5208171264 is about 72167.6607906893. The cubic root of 5208171264 is about 1733.3852060742.

Adding to 5208171264 its reverse (4621718025), we get a palindrome (9829889289).

The spelling of 5208171264 in words is "five billion, two hundred eight million, one hundred seventy-one thousand, two hundred sixty-four".