260916480 has 432 divisors, whose sum is σ = 1033119360. Its totient is φ = 60211200.

The previous prime is 260916479. The next prime is 260916529. The reversal of 260916480 is 84619062.

260916480 = 2151² + 2152² + ... + 2205².

260916480 is a `hidden beast` number, since 2 + 6 + 0 + 9 + 1 + 648 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 3674845 + ... + 3674915.

It is an arithmetic number, because the mean of its divisors is an integer number (2391480).

Almost surely, 2^260916480 is an apocalyptic number.

260916480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 260916480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (516559680).

260916480 is an abundant number, since it is smaller than the sum of its proper divisors (772202880).

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

260916480 is a wasteful number, since it uses less digits than its factorization.

260916480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 260916480 is about 16152.9093354727. The cubic root of 260916480 is about 638.9994783512. Note that the first 3 decimals are identical.

The spelling of 260916480 in words is "two hundred sixty million, nine hundred sixteen thousand, four hundred eighty".