538611264 has 63 divisors (see below), whose sum is σ = 1545430107. Its totient is φ = 179351424.

The previous prime is 538611251. The next prime is 538611277. The reversal of 538611264 is 462116835.

It is a happy number.

The square root of 538611264 is 23208.

It is a perfect power (a square), and thus also a powerful number.

538611264 is a `hidden beast` number, since 5 + 38 + 611 + 2 + 6 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (538611251) and next prime (538611277).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 556509 + ... + 557475.

Almost surely, 2^538611264 is an apocalyptic number.

538611264 is the 23208-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 538611264

538611264 is an abundant number, since it is smaller than the sum of its proper divisors (1006818843).

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

538611264 is an frugal number, since it uses more digits than its factorization.

538611264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1952 (or 972 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The cubic root of 538611264 is about 813.6266098739.

Multiplying 538611264 by its sum of digits (36), we get a square (19390005504 = 139248²).

538611264 divided by its sum of digits (36) gives a square (14961424 = 3868²).

The spelling of 538611264 in words is "five hundred thirty-eight million, six hundred eleven thousand, two hundred sixty-four".