5156320400 has 120 divisors (see below), whose sum is σ = 15444945984. Its totient is φ = 1607155200.

The previous prime is 5156320397. The next prime is 5156320409. The reversal of 5156320400 is 40236515.

It is a self number, because there is not a number n which added to its sum of digits gives 5156320400.

It is not an unprimeable number, because it can be changed into a prime (5156320409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52907 + ... + 114506.

Almost surely, 2^5156320400 is an apocalyptic number.

5156320400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5156320400 is an abundant number, since it is smaller than the sum of its proper divisors (10288625584).

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

5156320400 is a wasteful number, since it uses less digits than its factorization.

5156320400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167449 (or 167438 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 5156320400 is about 71807.5232827313. The cubic root of 5156320400 is about 1727.6136699930.

Adding to 5156320400 its reverse (40236515), we get a palindrome (5196556915).

The spelling of 5156320400 in words is "five billion, one hundred fifty-six million, three hundred twenty thousand, four hundred".