5272405816 has 8 divisors (see below), whose sum is σ = 9885760920. Its totient is φ = 2636202904.

The previous prime is 5272405807. The next prime is 5272405841. The reversal of 5272405816 is 6185042725.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 329525356 + ... + 329525371.

It is an arithmetic number, because the mean of its divisors is an integer number (1235720115).

Almost surely, 2^5272405816 is an apocalyptic number.

It is an amenable number.

5272405816 is a deficient number, since it is larger than the sum of its proper divisors (4613355104).

5272405816 is a wasteful number, since it uses less digits than its factorization.

5272405816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659050733 (or 659050729 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 5272405816 is about 72611.3339362389. Note that the first 3 decimals coincide. The cubic root of 5272405816 is about 1740.4822963915.

The spelling of 5272405816 in words is "five billion, two hundred seventy-two million, four hundred five thousand, eight hundred sixteen".