260403936 has 48 divisors (see below), whose sum is σ = 736145424. Its totient is φ = 80123904.

The previous prime is 260403917. The next prime is 260403973. The reversal of 260403936 is 639304062.

260403936 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 260403897 and 260403906.

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, 103081 + ... + 105576.

It is an arithmetic number, because the mean of its divisors is an integer number (15336363).

Almost surely, 2^260403936 is an apocalyptic number.

260403936 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

260403936 is an abundant number, since it is smaller than the sum of its proper divisors (475741488).

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

260403936 is a wasteful number, since it uses less digits than its factorization.

260403936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208683 (or 208675 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 33.

The square root of 260403936 is about 16137.0361590969. The cubic root of 260403936 is about 638.5807874864.

Adding to 260403936 its reverse (639304062), we get a palindrome (899707998).

The spelling of 260403936 in words is "two hundred sixty million, four hundred three thousand, nine hundred thirty-six".