572216400 has 540 divisors, whose sum is σ = 2437434272. Its totient is φ = 126282240.

The previous prime is 572216389. The next prime is 572216431. The reversal of 572216400 is 4612275.

It is a tau number, because it is divible by the number of its divisors (540).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 19731586 + ... + 19731614.

Almost surely, 2^572216400 is an apocalyptic number.

572216400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 572216400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1218717136).

572216400 is an abundant number, since it is smaller than the sum of its proper divisors (1865217872).

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

572216400 is a wasteful number, since it uses less digits than its factorization.

572216400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 572216400 is about 23921.0451276695. The cubic root of 572216400 is about 830.2077188536.

Adding to 572216400 its reverse (4612275), we get a palindrome (576828675).

It can be divided in two parts, 5722 and 16400, that added together give a palindrome (22122).

The spelling of 572216400 in words is "five hundred seventy-two million, two hundred sixteen thousand, four hundred".