538040268 has 18 divisors (see below), whose sum is σ = 1360046324. Its totient is φ = 179346744.

The previous prime is 538040249. The next prime is 538040281. The reversal of 538040268 is 862040835.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 14945563 = 538040268 / (5 + 3 + 8 + 0 + 4 + 0 + 2 + 6 + 8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7472746 + ... + 7472817.

Almost surely, 2^538040268 is an apocalyptic number.

It is an amenable number.

538040268 is an abundant number, since it is smaller than the sum of its proper divisors (822006056).

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

538040268 is a wasteful number, since it uses less digits than its factorization.

538040268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14945573 (or 14945568 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 538040268 is about 23195.6950316217. The cubic root of 538040268 is about 813.3389925403.

The spelling of 538040268 in words is "five hundred thirty-eight million, forty thousand, two hundred sixty-eight".