260422420 has 24 divisors (see below), whose sum is σ = 555855048. Its totient is φ = 102460800.

The previous prime is 260422411. The next prime is 260422433. The reversal of 260422420 is 24224062.

It can be written as a sum of positive squares in 4 ways, for example, as 374544 + 260047876 = 612^2 + 16126^2 .

It is a junction number, because it is equal to n+sod(n) for n = 260422391 and 260422400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105511 + ... + 107950.

It is an arithmetic number, because the mean of its divisors is an integer number (23160627).

Almost surely, 2^260422420 is an apocalyptic number.

260422420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260422420 is an abundant number, since it is smaller than the sum of its proper divisors (295432628).

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

260422420 is a wasteful number, since it uses less digits than its factorization.

260422420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213531 (or 213529 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 260422420 is about 16137.6088687265. The cubic root of 260422420 is about 638.5958963825.

Adding to 260422420 its reverse (24224062), we get a palindrome (284646482).

The spelling of 260422420 in words is "two hundred sixty million, four hundred twenty-two thousand, four hundred twenty".