260420804 has 24 divisors (see below), whose sum is σ = 521955840. Its totient is φ = 111370176.

The previous prime is 260420803. The next prime is 260420813. The reversal of 260420804 is 408024062.

260420804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (260420803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3704 + ... + 23120.

It is an arithmetic number, because the mean of its divisors is an integer number (21748160).

Almost surely, 2^260420804 is an apocalyptic number.

It is an amenable number.

260420804 is an abundant number, since it is smaller than the sum of its proper divisors (261535036).

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

260420804 is a wasteful number, since it uses less digits than its factorization.

260420804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19907 (or 19905 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 260420804 is about 16137.5587992732. The cubic root of 260420804 is about 638.5945754861.

Adding to 260420804 its reverse (408024062), we get a palindrome (668444866).

The spelling of 260420804 in words is "two hundred sixty million, four hundred twenty thousand, eight hundred four".