5154128208 has 60 divisors (see below), whose sum is σ = 14622024820. Its totient is φ = 1694504448.

The previous prime is 5154128183. The next prime is 5154128209. The reversal of 5154128208 is 8028214515.

It can be written as a sum of positive squares in 2 ways, for example, as 3456028944 + 1698099264 = 58788^2 + 41208^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5154128209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 234643 + ... + 255666.

Almost surely, 2^5154128208 is an apocalyptic number.

It is an amenable number.

5154128208 is an abundant number, since it is smaller than the sum of its proper divisors (9467896612).

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

5154128208 is a wasteful number, since it uses less digits than its factorization.

5154128208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490396 (or 490387 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 36.

The square root of 5154128208 is about 71792.2572984023. The cubic root of 5154128208 is about 1727.3688056057.

The spelling of 5154128208 in words is "five billion, one hundred fifty-four million, one hundred twenty-eight thousand, two hundred eight".