538740288 has 224 divisors, whose sum is σ = 1700784000. Its totient is φ = 166717440.

The previous prime is 538740277. The next prime is 538740311. The reversal of 538740288 is 882047835.

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, 2002618 + ... + 2002886.

Almost surely, 2^538740288 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 538740288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (850392000).

538740288 is an abundant number, since it is smaller than the sum of its proper divisors (1162043712).

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

538740288 is a wasteful number, since it uses less digits than its factorization.

538740288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370 (or 354 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The square root of 538740288 is about 23210.7795646764. The cubic root of 538740288 is about 813.6915726064.

The spelling of 538740288 in words is "five hundred thirty-eight million, seven hundred forty thousand, two hundred eighty-eight".