260628736 has 27 divisors (see below), whose sum is σ = 520755501. Its totient is φ = 130185216.

The previous prime is 260628733. The next prime is 260628769. The reversal of 260628736 is 637826062.

The square root of 260628736 is 16144.

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

It can be written as a sum of positive squares in only one way, i.e., 79995136 + 180633600 = 8944^2 + 13440^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260628733) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 257800 + ... + 258808.

Almost surely, 2^260628736 is an apocalyptic number.

260628736 is the 16144-th square number.

It is an amenable number.

260628736 is a deficient number, since it is larger than the sum of its proper divisors (260126765).

260628736 is an frugal number, since it uses more digits than its factorization.

260628736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2034 (or 1011 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The cubic root of 260628736 is about 638.7644914075.

The spelling of 260628736 in words is "two hundred sixty million, six hundred twenty-eight thousand, seven hundred thirty-six".