260561436 has 24 divisors (see below), whose sum is σ = 611165184. Its totient is φ = 86398320.

The previous prime is 260561429. The next prime is 260561447. The reversal of 260561436 is 634165062.

It is a junction number, because it is equal to n+sod(n) for n = 260561397 and 260561406.

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, 54550 + ... + 59133.

It is an arithmetic number, because the mean of its divisors is an integer number (25465216).

Almost surely, 2^260561436 is an apocalyptic number.

It is an amenable number.

260561436 is an abundant number, since it is smaller than the sum of its proper divisors (350603748).

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

260561436 is a wasteful number, since it uses less digits than its factorization.

260561436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113881 (or 113879 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 260561436 is about 16141.9154997169. The cubic root of 260561436 is about 638.7095057196.

The spelling of 260561436 in words is "two hundred sixty million, five hundred sixty-one thousand, four hundred thirty-six".