260215426 has 16 divisors (see below), whose sum is σ = 408595968. Its totient is φ = 124135200.

The previous prime is 260215421. The next prime is 260215433. The reversal of 260215426 is 624512062.

It is a super-2 number, since 2×260215426² = 135424135856722952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 260215394 and 260215403.

It is not an unprimeable number, because it can be changed into a prime (260215421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25155 + ... + 33958.

It is an arithmetic number, because the mean of its divisors is an integer number (25537248).

Almost surely, 2^260215426 is an apocalyptic number.

260215426 is a deficient number, since it is larger than the sum of its proper divisors (148380542).

260215426 is a wasteful number, since it uses less digits than its factorization.

260215426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59217.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 260215426 is about 16131.1941901398. The cubic root of 260215426 is about 638.4266578091.

Adding to 260215426 its reverse (624512062), we get a palindrome (884727488).

The spelling of 260215426 in words is "two hundred sixty million, two hundred fifteen thousand, four hundred twenty-six".