537220400 has 120 divisors (see below), whose sum is σ = 1376920800. Its totient is φ = 200724480.

The previous prime is 537220399. The next prime is 537220403. The reversal of 537220400 is 4022735.

It is not an unprimeable number, because it can be changed into a prime (537220403) 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, 1353002 + ... + 1353398.

It is an arithmetic number, because the mean of its divisors is an integer number (11474340).

Almost surely, 2^537220400 is an apocalyptic number.

537220400 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 537220400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (688460400).

537220400 is an abundant number, since it is smaller than the sum of its proper divisors (839700400).

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

537220400 is a wasteful number, since it uses less digits than its factorization.

537220400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631 (or 620 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 537220400 is about 23178.0154456761. The cubic root of 537220400 is about 812.9256594087.

The spelling of 537220400 in words is "five hundred thirty-seven million, two hundred twenty thousand, four hundred".