260889456 has 40 divisors (see below), whose sum is σ = 709438720. Its totient is φ = 82385856.

The previous prime is 260889451. The next prime is 260889547. The reversal of 260889456 is 654988062.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260889451) 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, 142120 + ... + 143943.

It is an arithmetic number, because the mean of its divisors is an integer number (17735968).

Almost surely, 2^260889456 is an apocalyptic number.

It is an amenable number.

260889456 is an abundant number, since it is smaller than the sum of its proper divisors (448549264).

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

260889456 is a wasteful number, since it uses less digits than its factorization.

260889456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286093 (or 286087 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 48.

The square root of 260889456 is about 16152.0728081569. The cubic root of 260889456 is about 638.9774164790.

The spelling of 260889456 in words is "two hundred sixty million, eight hundred eighty-nine thousand, four hundred fifty-six".