5156223400 has 24 divisors (see below), whose sum is σ = 11988219870. Its totient is φ = 2062489280.

The previous prime is 5156223383. The next prime is 5156223409. The reversal of 5156223400 is 43226515.

It can be written as a sum of positive squares in 3 ways, for example, as 3748623076 + 1407600324 = 61226^2 + 37518^2 .

It is not an unprimeable number, because it can be changed into a prime (5156223409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12890359 + ... + 12890758.

Almost surely, 2^5156223400 is an apocalyptic number.

5156223400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5156223400 is an abundant number, since it is smaller than the sum of its proper divisors (6831996470).

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

5156223400 is a wasteful number, since it uses less digits than its factorization.

5156223400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25781133 (or 25781124 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 5156223400 is about 71806.8478628605. The cubic root of 5156223400 is about 1727.6028367137.

Adding to 5156223400 its reverse (43226515), we get a palindrome (5199449915).

The spelling of 5156223400 in words is "five billion, one hundred fifty-six million, two hundred twenty-three thousand, four hundred".