5157689220 has 36 divisors (see below), whose sum is σ = 15644991180. Its totient is φ = 1375383744.

The previous prime is 5157689209. The next prime is 5157689227. The reversal of 5157689220 is 229867515.

5157689220 is a `hidden beast` number, since 51 + 576 + 8 + 9 + 2 + 20 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3986407044 + 1171282176 = 63138^2 + 34224^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (5157689227) 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, 14326735 + ... + 14327094.

Almost surely, 2^5157689220 is an apocalyptic number.

It is an amenable number.

5157689220 is an abundant number, since it is smaller than the sum of its proper divisors (10487301960).

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

5157689220 is a wasteful number, since it uses less digits than its factorization.

5157689220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28653844 (or 28653839 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 5157689220 is about 71817.0538242833. The cubic root of 5157689220 is about 1727.7665298320.

The spelling of 5157689220 in words is "five billion, one hundred fifty-seven million, six hundred eighty-nine thousand, two hundred twenty".