537344220 has 96 divisors (see below), whose sum is σ = 1726212096. Its totient is φ = 122342400.

The previous prime is 537344209. The next prime is 537344233. The reversal of 537344220 is 22443735.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111460 + ... + 116180.

It is an arithmetic number, because the mean of its divisors is an integer number (17981376).

Almost surely, 2^537344220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 537344220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (863106048).

537344220 is an abundant number, since it is smaller than the sum of its proper divisors (1188867876).

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

537344220 is a wasteful number, since it uses less digits than its factorization.

537344220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5011 (or 5009 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 30.

The square root of 537344220 is about 23180.6863573968. The cubic root of 537344220 is about 812.9881097072.

Adding to 537344220 its reverse (22443735), we get a palindrome (559787955).

The spelling of 537344220 in words is "five hundred thirty-seven million, three hundred forty-four thousand, two hundred twenty".