260644745592 has 256 divisors, whose sum is σ = 933793920000. Its totient is φ = 65365332480.

The previous prime is 260644745579. The next prime is 260644745629. The reversal of 260644745592 is 295547446062.

260644745592 is a `hidden beast` number, since 2 + 6 + 0 + 6 + 4 + 4 + 7 + 45 + 592 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 212134 + ... + 752522.

It is an arithmetic number, because the mean of its divisors is an integer number (3647632500).

Almost surely, 2^260644745592 is an apocalyptic number.

260644745592 is a gapful number since it is divisible by the number (22) 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 260644745592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (466896960000).

260644745592 is an abundant number, since it is smaller than the sum of its proper divisors (673149174408).

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

260644745592 is a wasteful number, since it uses less digits than its factorization.

260644745592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540451 (or 540441 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 54.

The spelling of 260644745592 in words is "two hundred sixty billion, six hundred forty-four million, seven hundred forty-five thousand, five hundred ninety-two".