260695203840 has 896 divisors, whose sum is σ = 996883269120. Its totient is φ = 64465403904.

The previous prime is 260695203833. The next prime is 260695203871. The reversal of 260695203840 is 48302596062.

260695203840 is a `hidden beast` number, since 2 + 60 + 69 + 520 + 3 + 8 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 941137782 + ... + 941138058.

Almost surely, 2^260695203840 is an apocalyptic number.

260695203840 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 260695203840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (498441634560).

260695203840 is an abundant number, since it is smaller than the sum of its proper divisors (736188065280).

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

260695203840 is a wasteful number, since it uses less digits than its factorization.

260695203840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377 (or 347 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 260695203840 in words is "two hundred sixty billion, six hundred ninety-five million, two hundred three thousand, eight hundred forty".