5156342320 has 20 divisors (see below), whose sum is σ = 11988496080. Its totient is φ = 2062536896.

The previous prime is 5156342287. The next prime is 5156342329. The reversal of 5156342320 is 232436515.

It is a happy number.

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

It is a super-2 number, since 2×5156342320² = 53175732242045964800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5156342329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32227060 + ... + 32227219.

It is an arithmetic number, because the mean of its divisors is an integer number (599424804).

Almost surely, 2^5156342320 is an apocalyptic number.

It is an amenable number.

5156342320 is an abundant number, since it is smaller than the sum of its proper divisors (6832153760).

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

5156342320 is a wasteful number, since it uses less digits than its factorization.

5156342320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64454292 (or 64454286 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 5156342320 is about 71807.6759128159. The cubic root of 5156342320 is about 1727.6161180719.

Adding to 5156342320 its reverse (232436515), we get a palindrome (5388778835).

The spelling of 5156342320 in words is "five billion, one hundred fifty-six million, three hundred forty-two thousand, three hundred twenty".