275738411664 has 45 divisors (see below), whose sum is σ = 771702217923. Its totient is φ = 91910703456.

The previous prime is 275738411653. The next prime is 275738411681. The reversal of 275738411664 is 466114837572.

The square root of 275738411664 is 525108.

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

275738411664 is a `hidden beast` number, since 2 + 7 + 573 + 8 + 4 + 1 + 1 + 6 + 64 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 275738411664.

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, 6279417 + ... + 6323175.

Almost surely, 2^275738411664 is an apocalyptic number.

275738411664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

275738411664 is the 525108-th square number.

It is an amenable number.

275738411664 is an abundant number, since it is smaller than the sum of its proper divisors (495963806259).

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

275738411664 is an frugal number, since it uses more digits than its factorization.

275738411664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87532 (or 43764 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 54.

The spelling of 275738411664 in words is "two hundred seventy-five billion, seven hundred thirty-eight million, four hundred eleven thousand, six hundred sixty-four".