538844460 has 288 divisors, whose sum is σ = 1982002176. Its totient is φ = 106867200.

The previous prime is 538844459. The next prime is 538844473. The reversal of 538844460 is 64448835.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1168630 + ... + 1169090.

It is an arithmetic number, because the mean of its divisors is an integer number (6881952).

Almost surely, 2^538844460 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 538844460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (991001088).

538844460 is an abundant number, since it is smaller than the sum of its proper divisors (1443157716).

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

538844460 is a wasteful number, since it uses less digits than its factorization.

538844460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525 (or 512 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 42.

The square root of 538844460 is about 23213.0234997512. The cubic root of 538844460 is about 813.7440149536.

The spelling of 538844460 in words is "five hundred thirty-eight million, eight hundred forty-four thousand, four hundred sixty".