260597490 has 32 divisors (see below), whose sum is σ = 635691456. Its totient is φ = 68352960.

The previous prime is 260597459. The next prime is 260597497. The reversal of 260597490 is 94795062.

It is a super-2 number, since 2×260597490² = 135822103588600200, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (260597497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69372 + ... + 73031.

It is an arithmetic number, because the mean of its divisors is an integer number (19865358).

Almost surely, 2^260597490 is an apocalyptic number.

260597490 is an abundant number, since it is smaller than the sum of its proper divisors (375093966).

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

260597490 is a wasteful number, since it uses less digits than its factorization.

260597490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142474.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 260597490 is about 16143.0322430453. The cubic root of 260597490 is about 638.7389638656.

The spelling of 260597490 in words is "two hundred sixty million, five hundred ninety-seven thousand, four hundred ninety".