538330452 has 72 divisors (see below), whose sum is σ = 1387562400. Its totient is φ = 162317760.

The previous prime is 538330421. The next prime is 538330489. The reversal of 538330452 is 254033835.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 331699 + ... + 333317.

It is an arithmetic number, because the mean of its divisors is an integer number (19271700).

Almost surely, 2^538330452 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 538330452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (693781200).

538330452 is an abundant number, since it is smaller than the sum of its proper divisors (849231948).

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

538330452 is a wasteful number, since it uses less digits than its factorization.

538330452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1877 (or 1864 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 538330452 is about 23201.9493146589. The cubic root of 538330452 is about 813.4851870156.

The spelling of 538330452 in words is "five hundred thirty-eight million, three hundred thirty thousand, four hundred fifty-two".