275238735424 has 21 divisors (see below), whose sum is σ = 546185194267. Its totient is φ = 137617269184.

The previous prime is 275238735391. The next prime is 275238735463. The reversal of 275238735424 is 424537832572.

The square root of 275238735424 is 524632.

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

It is a super-2 number, since 2×275238735424² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4164267 + ... + 4229845.

Almost surely, 2^275238735424 is an apocalyptic number.

275238735424 is the 524632-nd square number.

It is an amenable number.

275238735424 is a deficient number, since it is larger than the sum of its proper divisors (270946458843).

275238735424 is an frugal number, since it uses more digits than its factorization.

275238735424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131170 (or 65581 counting only the distinct ones).

The product of its digits is 11289600, while the sum is 52.

It can be divided in two parts, 2752 and 38735424, that added together give a square (38738176 = 6224²).

The spelling of 275238735424 in words is "two hundred seventy-five billion, two hundred thirty-eight million, seven hundred thirty-five thousand, four hundred twenty-four".