260766090 has 48 divisors (see below), whose sum is σ = 730148328. Its totient is φ = 64188288.

The previous prime is 260766071. The next prime is 260766091. The reversal of 260766090 is 90667062.

It can be written as a sum of positive squares in 4 ways, for example, as 224730081 + 36036009 = 14991^2 + 6003^2 .

It is not an unprimeable number, because it can be changed into a prime (260766091) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110269 + ... + 112608.

Almost surely, 2^260766090 is an apocalyptic number.

260766090 is an abundant number, since it is smaller than the sum of its proper divisors (469382238).

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

260766090 is a wasteful number, since it uses less digits than its factorization.

260766090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222903 (or 222900 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 260766090 is about 16148.2534659325. The cubic root of 260766090 is about 638.8766834999.

The spelling of 260766090 in words is "two hundred sixty million, seven hundred sixty-six thousand, ninety".