2660284426 has 8 divisors (see below), whose sum is σ = 4087754244. Its totient is φ = 1297699680.

The previous prime is 2660284399. The next prime is 2660284427. The reversal of 2660284426 is 6244820662.

It can be written as a sum of positive squares in 2 ways, for example, as 1802087401 + 858197025 = 42451^2 + 29295^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2660284426² = 14154226454436298952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2660284427) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 16221165 + ... + 16221328.

Almost surely, 2^2660284426 is an apocalyptic number.

2660284426 is a deficient number, since it is larger than the sum of its proper divisors (1427469818).

2660284426 is a wasteful number, since it uses less digits than its factorization.

2660284426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32442536.

The product of its (nonzero) digits is 221184, while the sum is 40.

The square root of 2660284426 is about 51577.9451510042. The cubic root of 2660284426 is about 1385.6153653116.

The spelling of 2660284426 in words is "two billion, six hundred sixty million, two hundred eighty-four thousand, four hundred twenty-six".