5151164240 has 20 divisors (see below), whose sum is σ = 11976457044. Its totient is φ = 2060465664.

The previous prime is 5151164173. The next prime is 5151164257. The reversal of 5151164240 is 424611515.

It can be written as a sum of positive squares in 2 ways, for example, as 2849851456 + 2301312784 = 53384^2 + 47972^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32194697 + ... + 32194856.

Almost surely, 2^5151164240 is an apocalyptic number.

It is an amenable number.

5151164240 is an abundant number, since it is smaller than the sum of its proper divisors (6825292804).

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

5151164240 is a wasteful number, since it uses less digits than its factorization.

5151164240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64389566 (or 64389560 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 5151164240 is about 71771.6116580922. The cubic root of 5151164240 is about 1727.0376246317.

Adding to 5151164240 its reverse (424611515), we get a palindrome (5575775755).

The spelling of 5151164240 in words is "five billion, one hundred fifty-one million, one hundred sixty-four thousand, two hundred forty".