538215260 has 36 divisors (see below), whose sum is σ = 1242348744. Its totient is φ = 195713760.

The previous prime is 538215239. The next prime is 538215269. The reversal of 538215260 is 62512835.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538215269) 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, 108782 + ... + 113621.

Almost surely, 2^538215260 is an apocalyptic number.

It is an amenable number.

538215260 is an abundant number, since it is smaller than the sum of its proper divisors (704133484).

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

538215260 is a wasteful number, since it uses less digits than its factorization.

538215260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222434 (or 222421 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 538215260 is about 23199.4668042177. The cubic root of 538215260 is about 813.4271596646.

The spelling of 538215260 in words is "five hundred thirty-eight million, two hundred fifteen thousand, two hundred sixty".