538090400 has 72 divisors (see below), whose sum is σ = 1333352160. Its totient is φ = 212002560.

The previous prime is 538090391. The next prime is 538090403. The reversal of 538090400 is 4090835.

It is not an unprimeable number, because it can be changed into a prime (538090403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48581 + ... + 58619.

It is an arithmetic number, because the mean of its divisors is an integer number (18518780).

Almost surely, 2^538090400 is an apocalyptic number.

538090400 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 538090400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (666676080).

538090400 is an abundant number, since it is smaller than the sum of its proper divisors (795261760).

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

538090400 is a wasteful number, since it uses less digits than its factorization.

538090400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10126 (or 10113 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 538090400 is about 23196.7756380062. The cubic root of 538090400 is about 813.3642527587.

The spelling of 538090400 in words is "five hundred thirty-eight million, ninety thousand, four hundred".